NCERT Book Class 10th SCIENCE MCQ
Chapter 3 : Metals and Non-metals
Multiple-Choice Questions (MCQs) with Answers
1. Which of the following is not a property of metals?
a) Malleability
b) Ductility
c) Poor conductor of electricity
d) Lustre
Answer: c) Poor conductor of electricity
2. The most malleable metal is:
a) Gold
b) Silver
c) Copper
d) Iron
Answer: a) Gold
3. The metal found in a liquid state at room temperature is:
a) Mercury
b) Bromine
c) Gallium
d) Sodium
Answer: a) Mercury
4. Ductility of metals means:
a) The ability to be hammered into thin sheets
b) The ability to be drawn into wires
c) The property of conducting electricity
d) The property of conducting heat
Answer: b) The ability to be drawn into wires
5. Which of the following metals is the hardest?
a) Sodium
b) Potassium
c) Iron
d) Gold
Answer: c) Iron
6. Non-metals are generally:
a) Good conductors of electricity
b) Malleable
c) Brittle
d) Lustrous
Answer: c) Brittle
7. Which of the following non-metals is a good conductor of electricity?
a) Graphite
b) Sulfur
c) Phosphorus
d) Oxygen
Answer: a) Graphite
8. The non-metal found in a liquid state at room temperature is:
a) Bromine
b) Mercury
c) Iodine
d) Chlorine
Answer: a) Bromine
9. Which of the following non-metals is lustrous?
a) Iodine
b) Sulfur
c) Phosphorus
d) Carbon
Answer: a) Iodine
10. Non-metals are generally:
a) Soft and malleable
b) Hard and brittle
c) Ductile and sonorous
d) Lustrous and conductive
Answer: b) Hard and brittle
11. Metals react with oxygen to form:
a) Acidic oxides
b) Basic oxides
c) Neutral oxides
d) Salts
Answer: b) Basic oxides
12. Which of the following metals does not react with oxygen?
a) Gold
b) Iron
c) Zinc
d) Aluminium
Answer: a) Gold
13. Non-metals react with oxygen to form:
a) Basic oxides
b) Acidic oxides
c) Neutral oxides
d) Salts
Answer: b) Acidic oxides
14. Metals react with acids to produce:
a) Hydrogen gas
b) Oxygen gas
c) Nitrogen gas
d) Carbon dioxide
Answer: a) Hydrogen gas
15. Which metal reacts with cold water to release hydrogen gas?
a) Iron
b) Copper
c) Sodium
d) Gold
Answer: c) Sodium
16. Which of the following metals is not ductile?
a) Zinc
b) Gold
c) Silver
d) Copper
Answer: a) Zinc
17. Which metal is a poor conductor of electricity?
a) Bismuth
b) Sodium
c) Copper
d) Aluminium
Answer: a) Bismuth
18. Which of the following non-metals is ductile?
a) Graphite
b) Diamond
c) Sulfur
d) None
Answer: d) None
19. Which metal is found in a liquid state?
a) Gallium
b) Mercury
c) Bromine
d) Cesium
Answer: b) Mercury
20. Which of the following non-metals is lustrous?
a) Iodine
b) Phosphorus
c) Sulfur
d) Carbon
Answer: a) Iodine
21. The metal used in electric wires is:
a) Copper
b) Gold
c) Silver
d) Iron
Answer: a) Copper
22. The metal used in thermometers is:
a) Mercury
b) Sodium
c) Iron
d) Zinc
Answer: a) Mercury
23. Which non-metal is used in water purification?
a) Chlorine
b) Bromine
c) Iodine
d) Phosphorus
Answer: a) Chlorine
24. The metal used to seal volcano vents is:
a) Sodium
b) Magnesium
c) Iron
d) Mercury
Answer: b) Magnesium
25. The metal used in artificial satellites is:
a) Aluminium
b) Gold
c) Silver
d) Copper
Answer: a) Aluminium
26. Which metal is extracted by electrolysis?
a) Iron
b) Copper
c) Aluminium
d) Zinc
Answer: c) Aluminium
27. The formula of copper pyrite is:
a) CuFeS₂
b) Cu₂S
c) CuCO₃·Cu(OH)₂
d) Cu₂O
Answer: a) CuFeS₂
28. Bauxite is the ore of which metal?
a) Iron
b) Aluminium
c) Copper
d) Zinc
Answer: b) Aluminium
29. The process of removing gangue (impurities) from ore is called:
a) Roasting
b) Calcination
c) Concentration
d) Smelting
Answer: c) Concentration
30. Zinc blende (ZnS) is concentrated by which method?
a) Froth floatation
b) Magnetic separation
c) Gravity separation
d) Distillation
Answer: a) Froth floatation
31. The main cause of rusting of iron is:
a) Oxygen and moisture
b) Nitrogen
c) Hydrogen
d) Carbon dioxide
Answer: a) Oxygen and moisture
32. Which of the following is not a method to prevent rusting?
a) Painting
b) Greasing
c) Keeping in moisture
d) Galvanization
Answer: c) Keeping in moisture
33. The process of coating iron with tin is called:
a) Galvanization
b) Tin plating
c) Electroplating
d) Anodizing
Answer: b) Tin plating
34. Which metal is resistant to corrosion?
a) Iron
b) Zinc
c) Aluminium
d) Copper
Answer: c) Aluminium
35. The metal used in galvanization is:
a) Zinc
b) Tin
c) Chromium
d) Nickel
Answer: a) Zinc
36. Brass is a mixture of:
a) Copper + Zinc
b) Copper + Tin
c) Copper + Nickel
d) Copper + Aluminium
Answer: a) Copper + Zinc
37. Stainless steel does not contain:
a) Iron
b) Chromium
c) Nickel
d) Zinc
Answer: d) Zinc
38. Solder contains:
a) Tin and Lead
b) Copper and Zinc
c) Iron and Carbon
d) Aluminium and Copper
Answer: a) Tin and Lead
39. German silver does not contain:
a) Copper
b) Zinc
c) Nickel
d) Gold
Answer: d) Gold
40. Duralumin is:
a) An alloy of aluminium
b) An alloy of copper
c) An alloy of iron
d) An alloy of zinc
Answer: a) An alloy of aluminium
41. The most reactive metal is:
a) Sodium
b) Potassium
c) Calcium
d) Magnesium
Answer: b) Potassium
42. Which metal does not produce hydrogen gas with acids?
a) Zinc
b) Iron
c) Copper
d) Magnesium
Answer: c) Copper
43. The metal that burns spontaneously in air:
a) Sodium
b) Magnesium
c) Phosphorus
d) Zinc
Answer: c) Phosphorus
44. The process of extracting metal from ore is called:
a) Metallurgy
b) Combination
c) Decomposition
d) Smelting
Answer: a) Metallurgy
45. Which metal is extracted by calcination?
a) Zinc
b) Iron
c) Mercury
d) Aluminium
Answer: c) Mercury
46. Which metal is found in a free state in nature?
a) Sodium
b) Calcium
c) Gold
d) Magnesium
Answer: c) Gold
47. Which forms acidic oxides?
a) Magnesium
b) Sulfur
c) Sodium
d) Calcium
Answer: b) Sulfur
48. The metal used in galvanization is:
a) Tin
b) Zinc
c) Chromium
d) Nickel
Answer: b) Zinc
49. The best conductor of electricity is:
a) Gold
b) Silver
c) Copper
d) Aluminium
Answer: b) Silver
50. When an iron nail is placed in copper sulfate solution:
a) No reaction occurs
b) Iron displaces copper from the solution
c) Copper displaces iron from the solution
d) Hydrogen gas is released
Answer: b) Iron displaces copper from the solution
Multiple Choice Questions (MCQs) Including Previous Years’ Questions
1. (UP Board 2022) Which of the following metals does not react with water to produce hydrogen gas?
a) Sodium
b) Potassium
c) Calcium
d) Copper
Answer: d) Copper
2. (Bihar Board 2021) Metals are generally:
a) Poor conductors of electricity
b) Poor conductors of heat
c) Malleable
d) Brittle
Answer: c) Malleable
3. (Rajasthan Board 2020) The metal found in a liquid state at room temperature is:
a) Gallium
b) Mercury
c) Cesium
d) Bromine
Answer: b) Mercury
4. (MP Board 2023) Which of the following metals is the least reactive?
a) Gold
b) Platinum
c) Silver
d) Copper
Answer: a) Gold
5. (UP Board 2021) An example of the ductility of metals is:
a) Making gold jewelry
b) Making copper wires
c) Making iron rods
d) Making zinc sheets
Answer: b) Making copper wires
6. (Bihar Board 2022) Which of the following non-metals is a good conductor of electricity?
a) Diamond
b) Graphite
c) Sulfur
d) Phosphorus
Answer: b) Graphite
7. (UP Board 2020) Non-metals are generally:
a) Lustrous
b) Malleable
c) Brittle
d) Ductile
Answer: c) Brittle
8. (Rajasthan Board 2021) The non-metal found in a gaseous state at room temperature is:
a) Bromine
b) Iodine
c) Chlorine
d) Sulfur
Answer: c) Chlorine
9. (Bihar Board 2023) Which of the following non-metals is lustrous?
a) Carbon
b) Iodine
c) Phosphorus
d) Sulfur
Answer: b) Iodine
10. (MP Board 2022) Non-metals generally form:
a) Basic oxides
b) Acidic oxides
c) Neutral oxides
d) Salts
Answer: b) Acidic oxides
11. (UP Board 2023) Metal + Acid → Salt + ______
a) Hydrogen
b) Oxygen
c) Carbon dioxide
d) Nitrogen
Answer: a) Hydrogen
12. (Bihar Board 2020) Which metal reacts vigorously with cold water?
a) Iron
b) Zinc
c) Magnesium
d) Potassium
Answer: d) Potassium
13. (Rajasthan Board 2022) Non-metal + Oxygen → ?
a) Base
b) Acid
c) Salt
d) Acidic oxide
Answer: d) Acidic oxide
14. (UP Board 2021) The reaction of zinc with dilute hydrochloric acid produces:
a) ZnCl₂ + H₂
b) ZnO + H₂
c) Zn(OH)₂ + H₂
d) ZnSO₄ + H₂
Answer: a) ZnCl₂ + H₂
15. (MP Board 2023) Which metal burns spontaneously in air?
a) Sodium
b) Magnesium
c) Phosphorus
d) Zinc
Answer: c) Phosphorus
16. (Bihar Board 2021) Bauxite is the ore of which metal?
a) Iron
b) Copper
c) Aluminium
d) Zinc
Answer: c) Aluminium
17. (UP Board 2022) The formula of copper pyrite is:
a) Cu₂S
b) CuFeS₂
c) CuCO₃
d) Cu₂O
Answer: b) CuFeS₂
18. (Rajasthan Board 2020) The formula of zinc blende is:
a) ZnCO₃
b) ZnO
c) ZnS
d) ZnSO₄
Answer: c) ZnS
19. (MP Board 2021) The process of removing gangue from ore is called:
a) Roasting
b) Calcination
c) Concentration
d) Smelting
Answer: c) Concentration
20. (Bihar Board 2023) Which metal is extracted by electrolysis?
a) Iron
b) Copper
c) Aluminium
d) Zinc
Answer: c) Aluminium
21. (UP Board 2020) The main cause of rusting of iron is:
a) Oxygen and moisture
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Answer: a) Oxygen and moisture
22. (Rajasthan Board 2021) Which of the following is not a method to prevent rusting?
a) Painting
b) Applying grease
c) Keeping in moisture
d) Galvanization
Answer: c) Keeping in moisture
23. (Bihar Board 2022) Brass is an alloy of:
a) Copper + Tin
b) Copper + Zinc
c) Copper + Nickel
d) Copper + Aluminium
Answer: b) Copper + Zinc
24. (MP Board 2023) Stainless steel does not contain:
a) Iron
b) Chromium
c) Nickel
d) Zinc
Answer: d) Zinc
25. (UP Board 2021) The metal used in galvanization is:
a) Tin
b) Zinc
c) Chromium
d) Nickel
Answer: b) Zinc
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