CBSE Class 8 Science Metals and Non Metals Worksheet Set 02

Question. All materials shown property of malleability expect
(a) Iron
(b) Graphite
(c) Aluminium
(d) Silver

Answer : B

Question. Which of the following statements are correct?
(a) All metals are ductile
b All non metals are ductile c Generally metals are ductile
(d)some metals are ductile

Answer : C

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 forme(d)

Answer : A

Question. On burning metals react with oxygen to produce-
(a) Metal hydroxide
(b) Metal chloride
(c) Metal oxide
(d) Metal sulphate

Answer : C

Question. Which one of the following is applied on wounds as an antiseptic?
(a) Metals
(b) Non metals
(c) Metalloids
(d) All of these

Answer : B

Question. Which metal is found in plants?
(a) Fe
(b) Cr
(c) Mg
(d)CO

Answer : C

Question. Which one of the following enhances the growth of plants?
(a) Industrial gadgets
(b) Fertilisers
(c) Automobiles
(d) Water boilers

Answer : B

Question. Which one of the following is in crackers?
(a) metals
(b) Semi metals
(c) Non-metal
(d) All of these

Answer : C

Question. Hydrogen gas produce when metal react with-
(a) Acid
(b) Base
(c) Salt
(d) Both acid & base

Answer : B

Question. Copper sulphate (CuSO4) possesses
(a) Red colour
(b) Blue colour
(c) Green colour
(d) Yellow colour

Answer : B

Question. Which one of the following are very reactive non metals
(a) Sodium
(b) Potassium
(c) Carbon
(d) Phosphorous

Answer : D

Question. Gold is used in-
(a) Thermometers
(b) Fuel
(c) Jewellery
(d) Machinery

Answer : C

Question. Which one of the following metal is used thermometers?
(a) Copper
(b) Mercury
(c) Aluminium
(d) Iron

Answer : B

Question. Which one of the following can’t be drawn into wires?
(a) Fe
(b) Al
(c) Cu
(d) Coal

Answer : D

Question. Which substance is present in fuel?
(a) Copper
(b) Iron
(c) Gold
(d) Carbon

Answer : D

Question. Zinc replaces copper from-
(a) Zinc sulphate
(b) Copper sulphate
(c) sulphuric acid
(d) Copper oxide

Answer : B

Question. Metallic oxides are-
(a) Acidic is nature
(b) Neutral
(c) Basic in nature
(d) Either acidic or basic

Answer : C

Question. Aluminium foil used for wrapping-
(a) Food
(b) Clothes
(c) Plastic
(d) Wires

Answer : A

Question. Which one of the following is used for decorating sweets?
(a) Aluminium foil
(b) Copper foil
(c) Silver foil
(d) All of these

Answer : C

Question. Which of the following can’t be beaten into sheets?
(a) Zinc
(b) Iron
(c) Aluminium
(d) Sulphur

Answer : D

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 material show shiny appearance?
(a) Coal
(b) Sulphur
(c) Aluminium
(d) Carbon

Answer : C

Question. Which material is hard in nature?
(a) Iron
(b) Coal
(c) Oxygen
(d) Wood

Answer : A

Question. Heat conduction is the property of
(a) Non-metal
(b) Metal
(c) Metalloids
(d) All of these

Answer : B

Question. Moist air is the combination of-
(a) H2O+CO2+O2
(b) H2O+ CO+O2
(c) H2O+CO2+H2
(d) H2O+O2+H2

Answer : A