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MCQ Questions for Class 10 Science Chapter 3 Metals and Non-metals

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MCQ Questions for Class 10 Science Chapter 3 Metals and Non-Metals with answers

1. By which reaction metal is obtained from metal oxide ?

(a) Liquefaction

(b) Reduction

(c) Calcination

(d) Roasting

► (b) Reduction

2. Which of the following metals does not displace H2 gas from dilute HCl or dilute H2SO4?

(a) Mg

(b) Cu

(c) Zn

(d) Al

► (b) Cu

3. Which of the following property is generally not shown by metals?

(a) Electrical conduction

(b) Dullness

(c) Ductility

(d) Sonority

► (b) Dullness

4. What is not true about calcinations?

(a) To remove all organic matter

(b) To convert ore into metal

(c) To remove moisture from the ore

(d) To decompose carbonates and hydroxides

► (b) To convert ore into metal

5. The lustre of a metal is due to:

(a) Its high density

(b) Presence of free electrons

(c) Its high polishing

(d) Its chemical inertness

► (b) Presence of free electrons

6. Which of the following metal can we cut with the knife?

(a) Gold

(b) Potassium

(c) Iron

(d) All of the above

► (b) Potassium

7. Which oxide is neutral ?

(a) NO2

(b) MgO

(c) H2O

(d) None of the above

► (c) H2O

8. Which of the following metals is extracted only by electrolysis?

(a) Zn

(b) Al

(c) Fe

(d) Cu

► (b) Al

9. Which non-metallic element is in liquid form?

(a) Carbon

(b) Hydrogen

(c) Bromine

(d) Phosphorus

► (c) Bromine

10. Which of the following metals will not react with oxygen, even when heated very strongly in air?

(a) Zn

(b) Al

(c) Ag

(d) Fe

► (c) Ag

11. In the reaction M + O2 →MO2 (super oxide) the metal is:

(a) Li

(b) Na

(c) K

(d) Ba

► (c) K

12. Which is the least conductor of heat?

(a) Gold

(b) Platinum

(c) Silver

(d) Lead

► (d) Lead

13. The property of metal by which it can be drawn into wires is called

(a) Conductivity

(b) Malleability

(c) Ductility

(d) Decorating

► (c) Ductility

14. The best conductor of electricity among the following is:

(a) Hg (Mercury)

(b) Al (Aluminum)

(c) Ag (Silver)

(d) Au (Gold)

► (c) Ag (Silver)

15. The metal that can be easily cut by knife is:

(a) Sodium

(b) Copper

(c) Magnesium

(d) Iron

► (a) Sodium

16. The sodium metal can be stored in:

(a) Benzene

(b) Alcohol

(c) Kerosene

(d) Toluene

► (c) Kerosene

17. The non-metal which is a liquid at room temperature–

(a) Oxygen

(b) Fluorine

(c) Sulphur

(d) Bromine

► (d) Bromine

18. Which of the following metal reacts neither with cold water nor with hot water but reacts with hot steam to produce hydrogen gas?

(a) Mg

(b) Fe

(c) Na

(d) Ca

► (b) Fe

19. An alloy is:

(a) A element

(b) A mixture

(c) An isomer

(d) A metalloid

► (b) A mixture

20. Which allotrope of carbon conducts electricity?

(a) Graphite

(b) Diamond

(c) Fullerene

(d) Both Graphite and Diamond

► (a) Graphite

21. An iron nail is dipped in copper sulphate solution. It is observed that

(a) The colour of the solution remain unchanged

(b) The colour of the solution becomes red.

(c) The colour of the solution turns to light green

(d) None of the above

► (c) The colour of the solution turns to light green

22. What happens when non-metals react with water?

(a) Hydrogen gas is formed

(b) Carbon dioxide gas is formed

(c) Non-metals do not react with water

(d) None of the above

► (c) Non-metals do not react with water

23. Which non-metal have semi conductor property?

(a) Boron

(b) Carbon

(c) Silicon

(d) Magnesium

► (c) Silicon

24. Which non-metal is the best conductor of electricity?

(a) Phosphorus

(b) Fluorine

(c) Graphite

(d) Bromine

► (c) Graphite

25. Carnallite is the mineral of:

(a) Na

(b) Ca

(c) Mg

(d) All of the above

► (c) Mg

26. The most ductile metal among given options is:

(a) Silver

(b) Zinc

(c) Copper

(d) Platinum

► (d) Platinum

27. The non-metal that is liquid at room temperature is:

(a) Bromine

(b) Chlorine

(c) Hydrogen

(d) Iodine

► (a) Bromine

28. The most abundant metal in the earth crust is:

(a) Al

(b) Fe

(c) O

(d) Cu

► (a) Al

Hope the given MCQ Questions will help you in cracking exams with good marks. These Metals and Non Metals MCQ Questions will help you in practising more and more questions in less time.
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