CBSE Class 8 Science Materials Metals and Non Metals MCQs

Refer to CBSE Class 8 Science Materials Metals and Non Metals MCQs provided below. CBSE Class 8 Science MCQs with answers available in Pdf for free download. The MCQ Questions for Class 8 Science with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 8 by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 4 Materials Metals and Non Metals are an important part of exams for Class 8 Science and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 8 Science and also download more latest study material for all subjects

MCQ for Class 8 Science Chapter 4 Materials Metals and Non Metals

Class 8 Science students should refer to the following multiple-choice questions with answers for Chapter 4 Materials Metals and Non Metals in Class 8. These MCQ questions with answers for Class 8 Science will come in exams and help you to score good marks

Chapter 4 Materials Metals and Non Metals MCQ Questions Class 8 Science with Answers

Question. The property of metals by which they can be beaten into thin sheets is called ____
a) Ductility
b) Sheetability
c) Metallic
d) Malleability

Answer : D

 

Question. The property of metal by which it can be drawn into wires is called ______
a) Ductility
b) Sheetability
c) Metallic
d) Malleability

Answer : A

 

Question. The metal found in liquid state is
a) Iron
b) Aluminium
c) Mercury
d) Gold

Answer : C

 

Question. When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The green material is a mixture of
a) Copper oxide and Copper Nitrate
b) Copper hydroxide & Copper Carbonate
c) Copper carbonate and Copper sulphate
d) Copper hydroxide and Copper Nitrate

Answer : B

 

Question. When sulphur dioxide is dissolved in water __________ is formed.
a) Sulphuric acid
b) Sulphoxy acid
c) Sulphurous acid
d) Sulphur trioxide

Answer : C

 

Question. Sodium metal is stored in
a) water
b) Kept under open air
c) alcohol
d) Kerosene

Answer : D

 

Question. Phosphorus is stored in
a) water
b) Kept under open air
c) alcohol
d) Kerosene

Answer : A

 

Question. Since metals produce ringing sounds, they are said to be ____.
a) Sound metal
b) Sonorous
c) Ring metal
d) malleable

Answer : B

 

Question. A substance which cannot be broken down further by chemical reactions, by cooling, heating, or by electrolysis, is called ______
a) Metal
b) Non Metal
c) Element
d) Compound

Answer : C

 

Question. They are not sonorous and are poor conductors of heat and electricity. These materials are
a) elements
b) Metals
c) Compound
d) Non metals

Answer : A

 

Question: When non-metals react with water then

a) Non-metals do not react with water

b) Hydrogen gas is formed

c) Carbon dioxide gas is formed

d) None of the options

Answer : A

 

Question: The metal which can be cut with a knife

a) Sodium and potassium

b) Barium and calcium

c) Sodium and mercury

d) Potassium and calcium.

Answer : A

 

Question: Metal oxides are of nature

a) Basic

b) Acidic

c) Netural

d) None of the options

Answer : A

 

Question: All metals are solids except

a) Mercury

b) Sodium

c) Calcium

d) Hydrogen

Answer : A

 

Question: Materials around us can be classified into

a) Metals and non-metals

b) Elements and compounds

c) Acids and bases

d) None of the options

Answer : A

 

Question: The non-metal which is liquid at room temperature is:

a) Bromine

b) Carbon

c) Iodine

d) Chlorine

Answer : A

 

Question: The metal which is stored in kerosene:

a) Sodium

b) Phosphorus

c) Magnesium

d) Magnesium

Answer : A

 

Question: Non-metals are:

a) Generally solids and gases

b) Generally liquids

c) Generally gases

d) Generally gases and liquids.

Answer : A

 

Question: The liquid metal at room temperature

a) Mercury

b) Bromine

c) Sodium

d) Gold

Answer : A

 

Question: The most reactive metal is:

a) Potassium

b) Iron

c) Gold

d) Zinc

Answer : A

 

Question: What is the product when sulphur reacts with oxygen?

a) Sulphur dioxide

b) Sulphurous acid

c) Sulphuric acid

d) Sulphur trioxide

Answer : A

  

Question: The solution of ash of magnesium ribbon is

a) Basic

b) Acidic

c) Neutral

d) All of the options

Answer : A

 

Question: Which metal is found in liquid state t room temperature?

a) Hg

b) Zn

c) Fe

d) Al

Answer : A

 

Question: The metals that produce ringing sounds, are said to be

a) Sonorous

b) Malleable

c) Lustrous

d) Hard

Answer : A

  

Question: The property of metal by which it can be drawn into wires is called

a) Ductility

b) Decorating

c) Malleability

d) Conductivity

Answer : A

 

Question: Which one of the following is a good conductor of electricity?

a) Iron

b) Plastic

c) Wood

d) Glass

Answer : A

 

Question: All materials shown property of malleability expect

a) Graphite

b) Iron

c) Aluminium

d) Silver

Answer : A

 

Question: The property of metals by which they can be beaten in to thin sheets is called

a) Malleability

b) Ductility

c) Conduction

d) Expansion

Answer : A

 

Question: Which one of the following is metal?

a) Na

b) N

c) O

d) C

Answer : A

 

Question: Which one of the following is non metal?

a) N

b) Fe

c) Al

d) Zn

Answer : A

 

Question: Which gas are produced when metal react with acids

a) Hydrogen

b) Carbon dioxide

c) Nitrogen

d) Oxygen

Answer: Hydrogen

 

Question: What is the chemical formula of copper sulphate?

a) Cuco3

b) Cuso4

c) Cucl2

d) Cuo

Answer: Cuco3

 

Question: Which non-metal catches fire if the exposed to air

a) Phosphorous

b) Sodium

c) Calcium

d) Uranium

Answer: Phosphorous

 

Question: Which metal is present in Calcium Hydroxide?

a) Ca

b) C

c) O

d) H

Answer: Ca

 

Question: Which one of the following metal reacts vigorously with oxygen and water?

a) Sodium

b) Potassium

c) Calcium

d) Magnesium

Answer: Sodium

  

Question: Sodium metal is stored in

a) Kerosene

b) Water

c) Alcohol

d) Ether

Answer: Kerosene

 

Question: Oxides of non metals are _______

a) Acidic

b) Basic

c) Neutral

d) All of the options

Answer: Acidic

 

Question: The sulphuric acid turns blue litmus paper into

a) Red

b) Green

c) Yellow

d) Dark blue

Answer: Red

 

Question: What is the chemical formula of sulphurous acid

a) H2SO3

b) H2SO4

c) SO2

d) SO3

Answer: H2SO3

 

Question: When sulphur dioxide is dissolve in water then

a) Sulphuric acid is formed

b) Sulphurous acid is formed

c) Sulphur trioxide is formed

d) Sulphur is formed

Answer: Sulphuric acid is formed

 

Question: Which one of the following is applied on wounds as an antiseptic?

a) Non metals

b) Metals

c) Metalloids

d) All of the options

Answer: Non metals

 

Question: Non metals used in

a) Fertilisers

b) Aeroplanes

c) Making machinery

d) Water boilers

Answer: Fertilisers

 

Question: Which non metal is essential for our life and inhale during breathing?

a) O

b) H

c) C

d) N

Answer: O

 

Question: Which gas produced by piece of burning charcoal?

a) CO

b) CO2

c) H2S

d) O2

Answer: CO

 

Question: On burning metals react with oxygen to produce

a) Metal oxide

b) Metal sulphate

c) Metal chloride

d) Metal hydroxide

Answer: Metal oxide

 

Question: What happens when dilute sulphuric acid is poured on a copper plate?

a) Copper sulphate formed

b) Zinc sulphate formed

c) Copper chloride formed

d) Zinc sulphate formed

Answer: Copper sulphate formed

 

Question: Which of the following statements are correct?

a) Generally metals are ductile

b) Some metals are ductile

c) All metals are ductile

d) All non metals are ductile

Answer: Generally metals are ductile

 

Question: Which of the following can be beaten in to thin sheets?

a) Zinc

b) Phosphorus

c) Sulphur

d) Oxygen

Answer: Zinc

 

Question: Which one of the following gas burns with the pop - sound?

a) Hydrogen

b) Oxygen

c) Chlorine

d) Hydrogen sulphide

Answer: Hydrogen

 

Question: Which one of the following does not react with acids?

a) O

b) Cu

c) Ni

d) Cr

Answer: O

 

Question: Which substance is present in fuel?

a) Carbon

b) Copper

c) Iron

d) Gold

Answer: Carbon

 

Question: Which one of the following cant be drawn into wires?

a) Coal

b) Cu

c) Al

d) Fe

Answer: Coal

 

Question: Which one of the following metal is used thermometers?

a) Mercury

b) Copper

c) Aluminium

d) Iron

Answer: Mercury

  

Question: Gold is used in

a) Jewellery

b) Thermometers

c) Fuel

d) Machinery

Answer: Jewellery

 

Question: Which material is hard in nature?

a) Iron

b) Coal

c) Oxygen

d) Wood

Answer: Iron

 

Question: Which material show shiny appearance?

a) Aluminium

b) Coal

c) Sulphur

d) Carbon

Answer: Aluminium

 

Question: Which one of the following is the good conducter of electricity?

a) Iron rod

b) Sulphur

c) Coal piece

d) Wood

Answer: Iron rod

 

Question: Which one of the following are very reactive non metals

a) Phosphorous

b) Carbon

c) Potassium

d) Sodium

Answer: Phosphorous

 

Question: Copper sulphate (CuSO4) possesses

a) Blue colour

b) Red colour

c) Green colour

d) Yellow colour

Answer: Blue colour

 

Question: Which metal is found in plants?

a) Mg

b) Fe

c) Cr

d) CO

Answer: Mg

 

Question: Moist air is the combination of

a) H2O+CO2+O2

b) H2O+ CO+O2

c) H2O+CO2+H2

d) H2O+O2+H2

Answer: H2O+CO2+O2

 

Question: Heat conduction is the property of

a) Metal

b) Non-metal

c) Metalloids

d) All of the options

Answer: Metal

 

Question: Which of the following cant be beaten into sheets?

a) Sulphur

b) Aluminium

c) Iron

d) Zinc

Answer: Sulphur

 

Question: Hydrogen gas produce when metal react with

a) Base

b) Acid

c) Salt

d) Both acid & base

Answer: Base

 

Question: Which one of the following is in crackers?

a) Non-metal

b) Metals

c) Semi metals

d) All of the options

Answer: Non-metal

 

Question: Which one of the following enhances the growth of plants?

a) Fertilisers

b) Industrial gadgets

c) Automobiles

d) Water boilers

Answer: Fertilisers

 

Question: Which one of the following is used for decorating sweets?

a) Silver foil

b) Aluminium foil

c) Copper foil

d) All of the options

Answer: Silver foil

 

Question: Aluminium foil used for wrapping

a) Food

b) Clothes

c) Plastic

d) Wires

Answer: Food

 

Question: Metallic oxides are-

a) Basic in nature

b) Acidic is nature

c) Neutral

d) Either acidic or basic

Answer: Basic in nature

 

Question: Zinc replaces copper from-

a) Copper sulphate

b) Zinc sulphate

c) Sulphuric acid

d) Copper oxide

Answer: Copper sulphate

 

Question: Which substance is present in fuel

a) Carbon

b) Gold

c) Iron

d) Copper

Answer : A

 

Question: Which one of the following cant be drawn into wires

a) Coal

b) Cu

c) Al

d) Fe

Answer : A

 

Question: Which one of the following metal is used thermometers

a) Mercury

b) Copper

c) Aluminium

d) Iron

Answer : A

  

Question: Gold is used in

a) Jewellery

b) Machinery

c) Fuel

d) Thermometers

Answer : A

 

Question: Which material is hard in nature

a) Iron

b) Coal

c) Oxygen

d) Wood

Answer : A

 

Question: Which material show shiny appearance

a) Aluminium

b) Sulphur

c) Coal

d) Carbon

Answer : A

 

Question: Which one of the following is the good conducter of electricity

a) Iron rod

b) Sulphur

c) Coal piece

d) Wood

Answer : A

 

Question: Which one of the following are very reactive non metals

a) Phosphorous

b) Carbon

c) Potassium

d) Sodium

Answer : A

 

Question: Copper sulphate (CuSO4) possesses

a) Blue colour

b) Green colour

c) Yellow colour

d) Red colour

Answer : A

 

Question: Which metal is found in plants

a) Mg

b) CO

c) Cr

d) Fe

Answer : A

 

Question: Which one of the following is applied on wounds as an antiseptic

a) Non metals

b) Metals

c) Metalloids

d) All the options

Answer : A

 

Question: Non metals used in

a) Fertilisers

b) Water boilers

c) Making machinery

d) Aeroplanes

Answer : A

 

Question: Which non metal is essential for our life and inhale during breathing

a) O

b) C

c) H

d) N

Answer : A

 

Question: Which gas produced by piece of burning charcoal

a) CO

b) H2S

c) O2

d) CO2

Answer : A

 

Question: On burning metals react with oxygen to produce

a) Metal oxide

b) Metal sulphate

c) Metal chloride

d) Metal hydroxide

Answer : A

 

Question: What happens when dilute sulphuric acid is poured on a copper plate

a) Copper sulphate formed

b) Zinc sulphate formed

c) Copper chloride formed

d) Zinc sulphate formed

Answer : A

 

Question: Which of the following statements are correct

a) Generally metals are ductile

b) All non metals are ductile

c) Some metals are ductile

d) All metals are ductile

Answer : A

 

Question: Which of the following can be beaten in to thin sheets

a) Zinc

b) Phosphorus

c) Sulphur

d) Oxygen

Answer : A

 

Question: Which one of the following gas burns with the pop sound

a) Hydrogen

b) Chlorine

c) Oxygen

d) Hydrogen sulphide

Answer : A

 

Question: Which one of the following does not react with acids

a) O

b) Cr

c) Ni

d) Cu

Answer : A

Question. Consider The Following Statements And Choose The Incorrect One:

(a) Atom is the smallest part of an element.

(b) An element is a substance which is made up of only one kind of atoms.

(c) An atom of liquid sulphur or vapour forms of sulphur would be different as that of solid sulphur.

(d) Oxygen and nitrogen are two examples of elements.

Answer : C

Question. The metal which is liquid at room temperature is

(a) sodium

(b) bromine

(c) calcium

(d) mercury

Answer : D

Question. Which of the following dissolves in water to form sulphuric acid?

(a) Sulphur dioxide

(b) Sulphur

(c) Sulphur trioxide

(d) Copper sulphate

Answer : C

Question. Which non-metal is used in making glass?

(a) Graphite

(b) Sulphur

(c) Silica

(d) None of these

Answer : C

Question. Brass is an alloy of:

(a) zinc – copper- tin

(b) copper – tin

(c) zinc – copper

(d) zinc – tin

Answer : C

Question. Phosphorus combines with oxygen to form oxides. How many types of oxides are formed by it?

(a) One

(b) Two

(c) Three

(d) Four

Answer : B

Quetion. The best electrical conductor is

(a) gold

(b) copper

(c) silver

(d) aluminium

Answer : C

Question. Non-rpetals

(a) react with water

(b) do not react with water

(c) both (a) and (b)

(d) none of these

Answer : B

Question. The metal which is not corroded by air, water and acid is

(a) copper

(b) zinc

(c) aluminium

(d) gold

Answer : D

Question. Metal are hard but _____ can be cut with a knife

(a) iron

(b) potassium

(c) mercury

(d) magnesium

Answer : B

 

Question: They are not sonorous and are poor conductors of heat and electricity. These materials are

a) Non metals

b) Metals

c) elements

d) Compound

Answer: Non metals

 

Question: A substance which cannot be broken down further by chemical reactions, by cooling, heating, or by electrolysis, is called ______

a) Element

b) Metal

c) Non Metal

d) Compound

Answer: Element

 

Question: Since metals produce ringing sounds, they are said to be ____.

a) Sonorous

b) Sound metal

c) Ring metal

d) Malleable

Answer: Sonorous

 

Question: Phosphorus is stored in

a) water

b) Kerosene

c) Kept under open air

d) alcohol

Answer: water

 

Question: Sodium metal is stored in

a) Kerosene

b) Water

c) Kept under open air

d) alcohol

Answer: Kerosene

 

Question: When sulphur dioxide is dissolved in water __________ is formed.

a) Sulphurous acid

b) Sulphuric acid

c) Sulphoxy acid

d) Sulphur trioxide

Answer: Sulphurous acid

 

Question: When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The green material is a mixture of

a) Copper hydroxide & Copper Carbonate

b) Copper oxide and Copper Nitrate

c) Copper carbonate and Copper sulphate

d) Copper hydroxide and Copper Nitrate

Answer: Copper hydroxide & Copper Carbonate

 

Question: The metal found in liquid state is

a) Mercury

b) Iron

c) Aluminium

d) Gold

Answer: Mercury

 

Question: The property of metal by which it can be drawn into wires is called ______

a) Ductility

b) Sheetability

c) Metallic

d) Malleability

Answer: Ductility

 

Question: The property of metals by which they can be beaten into thin sheets is called ____

a) Malleability

b) Ductility

c) Sheetability

d) Metallic

Answer: Malleability

 

Question: What is the product when sulphur reacts with oxygen

a) Sulphur dioxide

b) Sulphur trioxide

c) Sulphurous acid

d) Sulphuric acid

Answer: Sulphur dioxide

 

Question: The solution of ash of magnesium ribbon is

a) Basic

b) All the options

c) Neutral

d) Acidic

Answer: Basic

 

Question: Which metal is found in liquid state t room temperature?

a) Hg

b) Zn

c) Fe

d) Al

Answer: Hg

 

Question: The metals that produce ringing sounds, are said to be-

a) Sonorous

b) Hard

c) Lustrous

d) Malleable

Answer: Sonorous

 

Question: The property of metals by which they can be beaten in to thin sheets is called

a) Malleability

b) Expansion

c) Ductility

d) conduction

Answer: Malleability

  

Question: Which one of the following is metal?

a) Na

b) N

c) C

d) O

Answer: Na

 

Question: Which one of the following is non metal?

a) N

b) Fe

c) Al

d) Zn

Answer: N

 

Question: All materials shown property of malleability expect

a) Graphite

b) Iron

c) Aluminium

d) Silver

Answer: Graphite

 

Question: Which one of the following is a good conductor of electricity?

a) Iron

b) Plastic

c) Wood

d) Glass

Answer: Iron

 

Question: The property of metal by which it can be drawn into wires is called

a) Ductility

b) Conductivity

c) Malleability

d) Decorating

Answer: Ductility

 

Question: Which gas are produced when metal react with acids

a) Hydrogen

b) Carbon dioxide

c) Nitrogen

d) Oxygen

Answer: Hydrogen

 

Question: What is the chemical formula of copper sulphate

a) CuCO3

b) CuSO4

c) CuCl2

d) CuO

Answer: CuCO3

 

Question: Which non-metal catches fire if the exposed to air

a) Phosphorous

b) Sodium

c) Calcium

d) Uranium

Answer: Phosphorous

 

Question: Which metal is present in Calcium Hydroxide

a) Ca

b) H

c) O

d) C

Answer: Ca

 

Question: Which one of the following metal reacts vigorously with oxygen and water

a) Sodium

b) Calcium

c) Potassium

d) Magnesium

Answer: Sodium

 

Question: Sodium metal is stored in-

a) Kerosene

b) Ether

c) Alcohol

d) Water

Answer: Kerosene

 

Question: ides of non metals are _______ in nature

a) Acidic

b) Neutral

c) Basic

d) All the options

Answer: Acidic

 

Question: The sulphuric acid turns blue litmus paper into

a) Red

b) Green

c) Yellow

d) Dark blue

Answer: Red

 

Question: What is the chemical formula of sulphurous acid

a) H2SO3

b) SO3

c) SO2

d) H2SO4

Answer: H2SO3

 

Question: When sulphur dioxide is dissolve in water then

a) Sulphuric acid is formed

b) Sulphurous acid is formed

c) Sulphur trioxide is formed

d) Sulphur is formed

Answer: Sulphuric acid is formed

 

Question. Which of the following is not a heavy metal?
(A) Cu
(B) Hg
(C) Pb
(D) K 

Answer: D

Question. Gold is mixed with copper to
(A) make gold soft
(B) make gold hard
(C) make gold more yellowish
(D) give gold lustre 

Answer: B

Question. Metal surface reacts with oxygen and the moisture present in air and get coated with
(A) oxide
(B) carbonate 
(C) hydroxide
(D) any of these 

Answer: D

Question. Eating away of metals by water, oxygen and other chemicals is called
(A) carbonisation
(B) amalgamation
(C) oxidation
(D) corrosion 

Answer: D

Question. Rusting of iron requires the presence of
(A) Air and water
(B) CO2 and water
(C) O2 and H2 
(D) O2 and N2 

Answer: A

Question. Al forms
(A) Basic oxide
(B) Amphoteric oxide 
(C) Acidic oxide
(D) None of the above 

Answer: B

Question. Corrosion of metals can be prevented when contact between metal and_____________ is cut off.
(A) nitrogen
(B) hydrogen
(C) oxygen
(D) carbon 

Answer: C

Question. Iron is galvanised when it is dipped in
(A) molten zinc
(B) molten copper
(C) molten carbon
(D) molten gold 

Answer: A

Question. The process of giving a coating of__________________to copper or brass is called tinning.
(A) zinc
(B) copper
(C) tin
(D) iron 

Answer: C

Question. Metal which reacts vigorously with HCI to produce salt and hydrogen is
(A) Na
(B) Zn 
(C) Sn
(D) Pb

Answer: A

Question. Cu + HCl →
(A) react vigorously
(B) no reaction 
(C) react modestly
(D) react slowly

Answer: B

Question. The nonmetal capable of gaining as well as losing an electron is
(A) Hg
(B) Ca 
(C) Ag
(D) H

Answer: D

Question. The metal with which hydrogen reacts to form metal hydride is
(A) Hg
(B) Ca
(C) Ag
(D) H

Answer: B

Question. Nonmetals combine with oxygen to produce
(A) acidic oxides
(B) basic oxide 
(C) amphoteric oxide
(D) none of these

Answer: A

Question. The oxides of nonmetal which is neutral is
(A) SO2
(B) NO2 
(C) P2O3 
{D)CO

Answer: D

Question. Phosphorus combine with oxygen to form _____ types of oxides.
(A) three
(B) two
(C) one
(D) four

Answer: B

Question. _____________dissolves in water to produce sulphuric acid.
(A) SO2 
(B) S 
(C) SO3 
(D) 2S

Answer: C

Question. Nonmetals + acids ® ?
(A) react slow
(B) react violently 
(C) react moderately
(D) no reaction

Answer: D

Question. Nonmetals react with hydrogen to form
(A) covalent compounds
(B) ionic compounds 
(C) electrovalent compounds
(D) coordinate compounds

Answer: A

Question. P4 + 6Cl2 →
(A) 2P2Cl6 
(B) 4PCl3 
(C) PCl6 
(D) P2Cl5

Answer: B

Question. Mercury is used in thermometers because
(A) it does not wet the glass
(B) it expands on heating 
(C) it is a liquid
(D) all of these

Answer: D

Question. ____________ is used to make photographic films.
(A) sodium chloride
(B) silver bromide 
(C) potassium iodide
(D) copper chloride

Answer: B

Question. A crucible used in lab to heat solid at high temperature is made of
(A) sulphur
(B) silicon 
(C) graphite
(D) phosphorus

Answer: C

 
Question. The nonmetal used to treat rubber in the process of vulcanisation is
(A) sulphur
(B) phosphorus
(C) carbon
(D) chloride
 
Answer: A
 
Question. Match–head contains
(A) N2 
(B) I2
(C) P
(D) C
 
Answer: C
 
Question. ______________is used in the hydrogenation of vegetable oils.
(A) Cl2 
(B) N2
(C) O2 
(D) H2
 
Answer: D
 
Question. Due to its semiconductor propertics, the nonmetal used in computers, TV, etc. is
(A) carbon
(B) silicon
(C) bromine
(D) fluorine
 
Answer: B
 
Question. In the native state of metal, it is present
(A) as a mixture with a metal
(B) in free state
(C) as a mixture with a nonmetal
(D) as a mixture with a compound
 
Answer: B
 
Question. Which of the following metal is present in native state?
(A) Platinum
(B) Iron
(C) Potassium
(D) Copper
 
Answer: A
 
Question. Which of the following is called as noble metal?
(A) Mercury
(B) Gold
(C) Lithium
(D) Cesium
 
Answer : B
 
Question. Which of the following statement is true?
(A) All minerals are ores
(B) All minerals are not ores
(C) All ores are not minerals
(D) Some ores are minerals
 
Answer : B
 
Question. Haematite is an ore of
(A) Fe
(B) Zn
(C) Cu
(D) Al
 
Answer : A
 
Question. Fe3O4 is the chemical formula of
(A) monazite
(B) magnetite
(C) haematite
(D) bauxite
 
Answer : B
 
Question. Copper, which is extracted from cuprite, is a/an
(A) sulphide ore
(B) carbonate ore
(C) oxide ore
(D) halide ore
 
Answer : C
 
Question. Which of the following is a carbonate ore of copper?
(A) Cuprite
(B) Pyrite
(C) Copper glance
(D) Malachite
 
Answer: C
 
Question. Which of the following are the ores of zinc?
(A) Calamine and zinc blend
(B) Zinc blend and cerrusite
(C) Calomine and siderite
(D) Zinc blend and carnallite
 
Answer: A
 
Question. The metal extracted from limestone, marble and chalk is
(A) sodium
(B) Calcium
(C) Aluminium
(D) iron
 
Answer: B
 
Question. The chemical formula of bauxite is
(A) CaFeS2 
(B) MgCO3
(C) Al2O3·2H2O
(D) PbCO3
 
Answer: C
 
Question. Rocksalt is
(A) KCl
(B) CaCl2
(C) MgCl2 
(D) NaCI
 
Answer: D
 
Question. Metals generally have_________number of electrons in their valence shell.
(A) 1, 2 or 3
(B) 7, 8 or 9
(C) 10, 11 or 12
(D) 5, 6 or 7
 
Answer: A
 
Question. Nonmetals contain__________number of electrons in their outmost shell.
(A) 1,2 or 3
(B) 8, 9 or 10
(C) 10, 20 or 30
(D) 5, 6 or 7
 
Answer: D
 
Question. Nonmetals form
(A) cations
(B) anions
(C) anions and cation
(D) do not form ions
 
Answer: B
 
Question. To become stable, metals
(A) lose or gain electrons
(B) neither lose or gain electrons
(C) lose electrons
(D) gain electrons
 
Answer: C
 
Question. Metals tends to form
(A) cations
(B) anions
(C) cations and anions
(D) do not form ions
 
Answer: A
 
Question. Antimony and arsenic belong to the category of
(A) metals
(B) metalloids
(C) nonmetals
(D) minerals
 
Answer: B
 
Question. Nobles gases do not react because they have _________ electrons in their valence shell.
(A) 3
(B) 6
(C) 1
(D) 8
 
Answer: D
 
Question. As we go down in the electrochemical series of metals, the reactivity
(A) decreases and then increases
(B) increases and then decreases
(C) decreases
(D) increases
 
Answer: C
 
Question. The element present below hydrogen in electrochemical series is 
(A) Mg
(B) Hg 
(C) Pb
(D) Sn
 
Answer: B
 
Question. The metal which can replace magnesium from its salt is 
(A) Ca
(B) Al 
(C) Zn
(D) Fe
 
Answer: A
 
Question. The most reactive of the following metals is 
(A) Ca
(B) Al 
(C) Ni
(D) Pb
 
Answer: A
 
Question. Metals can be hammered into thin sheets. This property is called 
(A) density
(B) malleability 
(C) ductility
(D) strength
 
Answer: B
 
Question. Metals are malleable and ductile because 
(A) metals can shine 
(B) metals produce sound 
(C) layers of metal atoms can slip over each other 
(D) atoms form close clusters
 
Answer: C
 
Question. Metal which is the best conductor of electricity 
(A) nickel
(B) silver 
(C) gold
(D) sodium
 
Answer: B
 
Question. The colour of iodine is 
(A) violet
(B) green 
(C) white
(D) brown
 
Answer: A
 
Question. The nonmetal which exhibits yellow colour is 
(A) silicon
(B) phosphorus 
(C) sulphur
(D) carbon
 
Answer: C
 
Question. The nonmetal which is hard is 
(A) sulphur
(B) chlorine 
(C) graphite
(D) diamond 
 
Answer: D
 
Question. Which of the following is a property of nonmetals? 
(A) Low densities
(B) Low melting points 
(C) Poor conductor of electricity
(D) A11 the three 
 
Answer: D
 
Question. The nonmetal which is a liquid at room temperature is 
(A) chlorine
(B) nitrogen 
(C) bromine
(D) hydrogen
 
Answer: C
 
Question. Metal which does not react with HCI is 
(A) Ag
(B) Mg 
(C) Al
(D) Fe
 
Answer: A
 
Question. Metals are malleable and ductile because 
(A) Metals can shine
(B) Metals produce sound 
(C) Layers of metal atoms can slip over each other 
(D) Atoms form close clusters 
 
Answer: C
 
Question. The metal which can replace calcium from its salt is 
(A) Al
(B) Zn 
(C) Fe
(D) K 
 
Answer: D
 
Question. The most reactive of the following metals is 
(A) Ca
(B) Al 
(C) Ni
(D) Pb 
 
Answer: A
 
Question. Which of the following elements is highly resistant to corrosion 
(A) Iron
(B) Nickel 
(C) Silver
(D) Titanium 
 
Answer: D
 
Question. Metals can be hammered into thin sheets. This property is called 
(A) Density
(B) Malleability 
(C) Ductility
(D) Strength 
 
Answer: B
 
Question. Metal which is the best conductor of electricity 
(A) Nickel
(B) Silver 
(C) Gold
(D) Sodium 
 
Answer: B
 
Question. The non-metal which is hard is 
(A) Sulphur
(B) Chlorine
(C) Graphite
(D) Diamond 
 
Answer: D
 
Question. A non-metal used to preserve food stuffs 
(A) Nitrogen
(B) Phosphorus 
(C) Carbon
(D) None
 
Answer: C
 
Question. A metal which is liquid at room temperature is 
(A) Hg
(B) Na 
(C) K
(D) Al 
 
Answer: A
 
Question. Which of the following statements is incorrect? 
(A) Metals have no lustre 
(B) All metal oxides are basic in nature 
(C) Metals have 1, 2 or 3 electrons in the outermost shell 
(D) Metals are malleable 
 
Answer: A
 
Question. Which of the following is the second most abundant metal in the earth’s crust? 
(A) Copper
(B) Aluminium 
(C) Iron
(D) Zinc 
 
Answer: B
 
Question. Metallurgy is a process of 
(A) extracting metal from its mineral
(B) extracting metal from its ore 
(C) extracting pure metal from its ore
(D) extracting metal from its pure ore 
 
Answer: C
 
Question. Matrix is defined as 
(A) the unwanted foreign material present in the ore 
(B) the flux added to remove the unwanted impurities from ore 
(C) the slag formed as a result of the reaction of flux with gangue 
(D) the material used in the reduction of metal oxide to metal 
 
Answer: C
 
Question. Which of the following is not an ore of aluminium? 
(A) Cryolite
(B) Feldspar 
(C) Bauxite
(D) Azurite 
 
Answer: A
 
Question. The function of adding cryolite in the extraction of aluminium from pure alumina is 
(A) to increase the fusion temperature
(B) to decrease the condcutivity of alumina 
(C) to decrease the conductivity of alumina
(D) none of these
 
Answer: D

Question. Which of the following is not a heavy metal?
(A) Cu
(B) Hg
(C) Pb
(D) K

Answer : D

Question. Gold is mixed with copper to
(A) make gold soft
(B) make gold hard
(C) make gold more yellowish
(D) give gold lustre

Answer : B

Question. Metal surface reacts with oxygen and the moisture present in air and get coated with
(A) oxide
(B) carbonate
(C) hydroxide
(D) any of these

Answer : D

Question. Eating away of metals by water, oxygen and other chemicals is called
(A) carbonisation
(B) amalgamation
(C) oxidation
(D) corrosion

Answer : D

Question. Rusting of iron requires the presence of
(A) air and water
(B) CO2 and water
(C) O2 and H2
(D) O2 and N2

Answer : A

Question. Al forms
(A) Basic oxide
(B) Amphoteric oxide
(C) Acidic oxide
(D) None of the above

Answer : B

Question. Corrosion of metals can be prevented when contact between metal and_____________ is cut off.
(A) nitrogen
(B) hydrogen
(C) oxygen
(D) carbon

Answer : C

Question. Iron is galvanised when it is dipped in
(A) molten zinc
(B) molten copper
(C) molten carbon
(D) molten gold

Answer : A

Question. The process of giving a coating of__________________to copper or brass is called tinning.
(A) zinc
(B) copper
(C) tin
(D) iron

Answer : C

Question. Metal which reacts vigorously with HCI to produce salt and hydrogen is
(A) Na
(B) Zn
(C) Sn
(D) Pb

Answer : A

Question. Cu + HCl →
(A) react vigorously
(B) no reaction
(C) react modestly
(D) react slowly

Answer : B

Question. The nonmetal capable of gaining as well as losing an electron is
(A) Hg
(B) Ca
(C) Ag
(D) H

Answer : D

Question. The metal with which hydrogen reacts to form metal hydride is
(A) Hg
(B) Ca
(C) Ag
(D) H

Answer : B

Question. Nonmetals combine with oxygen to produce
(A) acidic oxides
(B) basic oxide
(C) amphoteric oxide
(D) none of these

Answer : A

Question. The oxides of nonmetal which is neutral is
(A) SO2
(B) NO2
(C) P2O3
{D) CO

Answer : D

Question. Phosphorus combine with oxygen to form .......... types of oxides.
(A) three
(B) two
(C) one
(D) four

Answer : B

Question. _____________dissolves in water to produce sulphuric acid.
(A) SO2
(B) S
(C) SO3
(D) 2S

Answer : C

Question. Nonmetals + acids → ?
(A) react slow
(B) react violently
(C) react moderately
(D) no reaction

Answer : D

Question. Nonmetals react with hydrogen to form
(A) covalent compounds
(B) ionic compounds
(C) electrovalent compounds
(D) coordinate compounds

Answer : A

Question. P4 + 6Cl2
(A) 2P2Cl6
(B) 4PCl3
(C) PCl6
(D) P2Cl5

Answer : B

Question. Mercury is used in thermometers because
(A) it does not wet the glass
(B) it expands on heating
(C) it is a liquid
(D) all of these

Answer : D

Question. ____________ is used to make photographic films.
(A) sodium chloride
(B) silver bromide
(C) potassium iodide
(D) copper chloride

Answer : B

Question. A crucible used in lab to heat solid at high temperature is made of
(A) sulphur
(B) silicon
(C) graphite
(D) phosphorus

Answer : C

Question. The nonmetal used to treat rubber in the process of vulcanisation is
(A) sulphur
(B) phosphorus
(C) carbon
(D) chloride

Answer : A

Question. Match–head contains
(A) N2
(B) I2
(C) P
(D) C

Answer : C

Question. ______________is used in the hydrogenation of vegetable oils.
(A) Cl2
(B) N2
(C) O2
(D) H2

Answer : D

Question. Due to its semiconductor propertics, the nonmetal used in computers, TV, etc. is
(A) carbon
(B) silicon
(C) bromine
(D) fluorine

Answer : B

Question. In the native state of metal, it is present
(A) as a mixture with a metal
(B) in free state
(C) as a mixture with a nonmetal
(D) as a mixture with a compound

Answer : B

Question. Which of the following metal is present in native state?
(A) Platinum
(B) Iron
(C) Potassium
(D) Copper

Answer : A

Question. Which of the following is called as noble metal?
(A) Mercury
(B) Gold
(C) Lithium
(D) Cesium

Answer : B

Question. Which of the following statement is true?
(A) All minerals are ores
(B) All minerals are not ores
(C) All ores are not minerals
(D) Some ores are minerals

Answer : B

Question. Haematite is an ore of
(A) Fe
(B) Zn
(C) Cu
(D) Al

Answer : A

Question. Fe3O4 is the chemical formula of
(A) monazite
(B) magnetite
(C) haematite
(D) bauxite

Answer : B

Question. Copper, which is extracted from cuprite, is a/an
(A) sulphide ore
(B) carbonate ore
(C) oxide ore
(D) halide ore

Answer : C

Question. Which of the following is a carbonate ore of copper?
(A) Cuprite
(B) Pyrite
(C) Copper glance
(D) Malachite

Answer : C

Question. Which of the following are the ores of zinc?
(A) Calamine and zinc blend
(B) Zinc blend and cerrusite
(C) Calomine and siderite
(D) Zinc blend and carnallite

Answer : A

Question. The metal extracted from limestone, marble and chalk is
(A) sodium
(B) Calcium
(C) Aluminium
(D) iron

Answer : B

Question. The chemical formula of bauxite is
(A) CaFeS2
(B) MgCO3
(C) Al2O3·2H2O
(D) PbCO3

Answer : C

Question. Rocksalt is
(A) KCl
(B) CaCl2
(C) MgCl2
(D) NaCI

Answer : D

Question. Metals generally have_________number of electrons in their valence shell.
(A) 1, 2 or 3
(B) 7, 8 or 9
(C) 10, 11 or 12
(D) 5, 6 or 7

Answer : A

Question. Nonmetals contain__________number of electrons in their outmost shell.
(A) 1,2 or 3
(B) 8, 9 or 10
(C) 10, 20 or 30
(D) 5, 6 or 7

Answer : D

Question. Nonmetals form
(A) cations
(B) anions
(C) anions and cation
(D) do not form ions

Answer : B

Question. To become stable, metals
(A) lose or gain electrons
(B) neither lose or gain electrons
(C) lose electrons
(D) gain electrons

Answer : C

Question. Metals tends to form
(A) cations
(B) anions
(C) cations and anions
(D) do not form ions

Answer : A

Question. Antimony and arsenic belong to the category of
(A) metals
(B) metalloids
(C) nonmetals
(D) minerals

Answer : B

Question. Nobles gases do not react because they have _________ electrons in their valence shell.
(A) 3
(B) 6
(C) 1
(D) 8

Answer : D

Question. As we go down in the electrochemical series of metals, the reactivity
(A) decreases and then increases
(B) increases and then decreases
(C) decreases
(D) increases

Answer : C

Question. The element present below hydrogen in electrochemical series is
(A) Mg
(B) Hg
(C) Pb
(D) Sn

Answer : B

Question. The metal which can replace magnesium from its salt is
(A) Ca
(B) Al
(C) Zn
(D) Fe

Answer : A

Question. The most reactive of the following metals is
(A) Ca
(B) Al
(C) Ni
(D) Pb

Answer : A

Question. Metals can be hammered into thin sheets. This property is called
(A) density
(B) malleability
(C) ductility
(D) strength

Answer : B

Question. Metals are malleable and ductile because
(A) metals can shine
(B) metals produce sound
(C) layers of metal atoms can slip over each other
(D) atoms form close clusters

Answer : C

Question. Metal which is the best conductor of electricity
(A) nickel
(B) silver
(C) gold
(D) sodium

Answer : B

Question. The colour of iodine is
(A) violet
(B) green
(C) white
(D) brown

Answer : A

Question. The nonmetal which exhibits yellow colour is
(A) silicon
(B) phosphorus
(C) sulphur
(D) carbon

Answer : C

Question. The nonmetal which is hard is
(A) sulphur
(B) chlorine
(C) graphite
(D) diamond

Answer : D

Question. Which of the following is a property of nonmetals?
(A) Low densities
(B) Low melting points
(C) Poor conductor of electricity
(D) A11 the three

Answer : D

Question. The nonmetal which is a liquid at room temperature is
(A) chlorine
(B) nitrogen
(C) bromine
(D) hydrogen

Answer : C

Question. Metal which does not react with HCI is
(A) Ag
(B) Mg
(C) Al
(D) Fe

Answer : A

Question. Metals are malleable and ductile because
(A) Metals can shine
(B) Metals produce sound
(C) Layers of metal atoms can slip over each other
(D) Atoms form close clusters

Answer : C

Question. The metal which can replace calcium from its salt is
(A) Al
(B) Zn
(C) Fe
(D) K

Answer : D

Question. The most reactive of the following metals is
(A) Ca
(B) Al
(C) Ni
(D) Pb

Answer : A

Question. Which of the following elements is highly resistant to corrosion
(A) Iron
(B) Nickel
(C) Silver
(D) Titanium

Answer : C

Question. Metals can be hammered into thin sheets. This property is called
(A) Density
(B) Malleability
(C) Ductility
(D) Strength

Answer : B

Question. Metal which is the best conductor of electricity
(A) Nickel
(B) Silver
(C) Gold
(D) Sodium

Answer : B

Question. The non-metal which is hard is
(A) Sulphur
(B) Chlorine
(C) Graphite
(D) Diamond

Answer : D

Question. A non-metal used to preserve food stuffs
(A) Nitrogen
(B) Phosphorus
(C) Carbon
(D) None

Answer : C

Question. A metal which is liquid at room temperature is
(A) Hg
(B) Na
(C) K
(D) Al

Answer : A

Question. Which of the following statements is incorrect?
(A) Metals have no lustre
(B) All metal oxides are basic in nature
(C) Metals have 1, 2 or 3 electrons in the outermost shell
(D) Metals are malleable

Answer : A

Question. Which of the following is the second most abundant metal in the earth’s crust?
(A) Copper
(B) Aluminium
(C) Iron
(D) Zinc

Answer : B

Question. Metallurgy is a process of
(A) extracting metal from its mineral
(B) extracting metal from its ore
(C) extracting pure metal from its ore
(D) extracting metal from its pure ore

Answer : C

Question. Matrix is defined as
(A) the unwanted foreign material present in the ore
(B) the flux added to remove the unwanted impurities from ore
(C) the slag formed as a result of the reaction of flux with gangue
(D) the material used in the reduction of metal oxide to metal

Answer : C

Question. Which of the following is not an ore of aluminium?
(A) Cryolite
(B) Feldspar
(C) Bauxite
(D) Azurite

Answer : A

Question. The function of adding cryolite in the extraction of aluminium from pure alumina is
(A) to increase the fusion temperature
(B) to decrease the condcutivity of alumina
(C) to decrease the conductivity of alumina
(D) none of these

Answer : D

Chapter 01 Crop Production and Management
CBSE Class 8 Science Crop Production and Management MCQs
Chapter 02 Microorganisms Friend or Foe
CBSE Class 8 Science Microorganisms Friend or Foe MCQs
Chapter 03 Synthetic Fibres and Plastics
CBSE Class 8 Science Synthetic Fibre and Plastics MCQs
Chapter 04 Materials Metals and Non Metals
CBSE Class 8 Science Materials Metals and Non Metals MCQs
Chapter 05 Coal and Petroleum
CBSE Class 8 Science Coal and Petroleum MCQs
Chapter 06 Combustion and Flame
CBSE Class 8 Science Combustion and Flame MCQs
Chapter 07 Conservation of Plants and Animals
CBSE Class 8 Science Conservation of Plants and Animals MCQs
Chapter 08 Cell Structure and Functions
CBSE Class 8 Science Cell Structure and Functions MCQs
Chapter 09 Reproduction in Animals
CBSE Class 8 Science Reproduction in Animals MCQs
Chapter 10 Reaching the Age of Adolescence
CBSE Class 8 Science Reaching The Age of Adolescence MCQs
Chapter 11 Force and Pressure
CBSE Class 8 Science Force and Pressure MCQs
Chapter 14 Chemical Effects of Electric Current
CBSE Class 8 Science Chemical Effect of Electric Current MCQs
Chapter 15 Some Natural Phenomena
CBSE Class 8 Science Some Natural Phenomena MCQs
Chapter 17 Stars and The Solar System
CBSE Class 8 Science Stars and Solar System MCQs
Chapter 18 Pollution of Air and Water
CBSE Class 8 Science Pollution of Air and Water MCQs

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