CBSE Class 7 Science Metals and Non Metals MCQs

CBSE Class 7 Science Metals and Non Metals MCQs. Multiple choice questions have become an integral part of the CBSE examination system. Almost all exams have a section for MCQs. Students are advised to refer to the attached MCQ database and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the MCQs to their children for practice.


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

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

3. 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

21. 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

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

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

24. The nonmetal used to treat rubber in the process of vulcanisation is
(A) sulphur (B) phosphorus
(C) carbon (D) chloride
25. Match–head contains
(A) N2 (B) I2
(C) P (D) C
26. ______________is used in the hydrogenation of vegetable oils.
(A) Cl2 (B) N2
(C) O2 (D) H2
27. Due to its semiconductor propertics, the nonmetal used in computers, TV, etc. is
(A) carbon (B) silicon
(C) bromine (D) fluorine
28. 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
29. Which of the following metal is present in native state?
(A) Platinum (B) Iron
(C) Potassium (D) Copper
30. Which of the following is called as noble metal?
(A) Mercury (B) Gold
(C) Lithium (D) Cesium
31. 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
32. Haematite is an ore of
(A) Fe (B) Zn
(C) Cu (D) Al
33. Fe3O4 is the chemical formula of
(A) monazite (B) magnetite
(C) haematite (D) bauxite
34. Copper, which is extracted from cuprite, is a/an
(A) sulphide ore (B) carbonate ore
(C) oxide ore (D) halide ore
35. Which of the following is a carbonate ore of copper?
(A) Cuprite (B) Pyrite
(C) Copper glance (D) Malachite
36. 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
37. The metal extracted from limestone, marble and chalk is
(A) sodium (B) Calcium
(C) Aluminium (D) iron
38. The chemical formula of bauxite is
(A) CaFeS2 (B) MgCO3
(C) Al2O3·2H2O (D) PbCO3
39. Rocksalt is
(A) KCl (B) CaCl2
(C) MgCl2 (D) NaCI
40. 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
41. 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
42. Nonmetals form
(A) cations (B) anions
(C) anions and cation (D) do not form ions
43. To become stable, metals
(A) lose or gain electrons (B) neither lose or gain electrons
(C) lose electrons (D) gain electrons
44. Metals tends to form
(A) cations (B) anions
(C) cations and anions (D) do not form ions
45. Antimony and arsenic belong to the category of
(A) metals (B) metalloids
(C) nonmetals (D) minerals
46. Nobles gases do not react because they have _________ electrons in their valence shell.
(A) 3 (B) 6
(C) 1 (D) 8
47. 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
48. The element present below hydrogen in electrochemical series is 
(A) Mg (B) Hg 
(C) Pb (D) Sn
49. The metal which can replace magnesium from its salt is 
(A) Ca (B) Al 
(C) Zn (D) Fe
50. The most reactive of the following metals is 
(A) Ca (B) Al 
(C) Ni (D) Pb
51. Metals can be hammered into thin sheets. This property is called 
(A) density (B) malleability 
(C) ductility (D) strength
52. 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
53. Metal which is the best conductor of electricity 
(A) nickel (B) silver 
(C) gold (D) sodium
54. The colour of iodine is 
(A) violet (B) green 
(C) white (D) brown
55. The nonmetal which exhibits yellow colour is 
(A) silicon (B) phosphorus 
(C) sulphur (D) carbon  
56. The nonmetal which is hard is 
(A) sulphur (B) chlorine 
(C) graphite (D) diamond 
57. 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 
58. The nonmetal which is a liquid at room temperature is 
(A) chlorine (B) nitrogen 
(C) bromine (D) hydrogen
59. Metal which does not react with HCI is 
(A) Ag (B) Mg 
(C) Al (D) Fe 


60. 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 


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


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


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


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


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


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


67. A non-metal used to preserve food stuffs 
(A) Nitrogen (B) Phosphorus 
(C) Carbon (D) None
68. A metal which is liquid at room temperature is 
(A) Hg (B) Na 
(C) K (D) Al 


69. 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 


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


71. 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 


72. 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 


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


74. 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
Answers for Metals and Non-Metals

 CBSE Class 7 Science The Structure of the Atom MCQs



Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Conduct of the practical work during the lockdown

CBSE has advised schools to follow the Alternative Calendar developed by NCERT to continue education during the lockdown through alternative modes to achieve learning outcomes. Schools have reportedly started using these calendars and other prescribed pedagogical...

Revised SOP preventive measures followed while conducting examinations

Revised SOP on preventive measures to be followed while conducting examinations to contain spread of COVID-19 issued by Ministry of Health & Family Welfare Examination centres are frequented by large number of students (as well as their parents) and staff till the...

Keep your kids engaged during Lockdown

Kids are the Future of our Country! Outlines have changed and so should the formats of existence! It is the best time to teach our kids the pleasure of Self-Discipline, Self-Realization and Self-Control. To keep the future generation safe in such unpredictable...

Studies Today