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Below you will find MCQ Questions of Chapter 4 Materials: Metals and Non-Metals Class 8 Science Free PDF Download that will help you in gaining good marks in the examinations and also cracking competitive exams. These Class 8 MCQ Questions with answers will widen your skills and understand concepts in a better manner.

MCQ Questions for Class 8 Science Chapter 4 Materials: Metal and Non-Metals with Answers

MCQ Questions for Class 8 Science Chapter 4 Materials: Metals and Non-Metals with answers

1. Identify the non-metal which exhibits yellow colour.

(a) Silicon

(b) Phosphorus

(c) Sulphur

(d) Carbon

► (c) Sulphur

2. 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

► (a) Sodium and potassium

3. Metals are solid except:

(a) Mercury

(b) Gallium

(c) Sodium

(d) Iodine

► (a) Mercury

4. Brass is an alloy of:

(a) zinc – copper- tin

(b) copper – tin

(c) zinc – copper

(d) zinc – tin

► (c) zinc – copper

5. Non-metals are:

(a) generally liquids

(b) generally gases

(c) generally solids and gases

(d) generally gases and liquids

► (c) generally solids and gases

6. The liquid metal at room temperature is:

(a) Mercury

(b) Bromine

(c) Sodium

(d) Gold

► (a) Mercury

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

(a) Sulphur dioxide

(b) Sulphur

(c) Sulphur trioxide

(d) Copper sulphate

► (c) Sulphur trioxide

8. If metallic Zinc is added to copper sulphate solution :

(a) Zinc displaces copper from solution

(b) no reaction takes place

(c) Sulphur is displaced

(d) Copper displaces Zinc from solution

► (a) Zinc displaces copper from solution

9. Non metals occur as:

(a) Gas

(b) Solid

(c) Liquid

(d) All of the above

► (d) All of the above

10. Aluminium foil is used for wrapping food. On which property is it used?

(a) Density

(b) Malleability

(c) Ductility

(d) Strength

► (b) Malleability

11. Metal oxides are:

(a) basic oxides

(b) acidic oxides

(c) meteoroids

(d) neutral oxides

► (a) basic oxides

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

(a) One

(b) Two

(c) Three

(d) Four

► (b) Two

13. All metals are solids except

(a) Sodium

(b) Calcium

(c) Mercury

(d) Hydrogen

► (c) Mercury

14. The metal which is stored in kerosene:

(a) Phosphorus

(b) Magnesium

(c) Sodium

(d) Zinc

► (c) Sodium

15. How many electrons are present in non- metals in their outermost shell?

(a) 1, 2 or 3

(b) 8, 9 or 10

(c) 10, 20 or 30

(d) 4, 5, 6 or 7

► (d) 4, 5, 6 or 7

16. The non-metal which is liquid at room temperature is:

(a) Carbon

(b) Iodine

(c) Bromine

(d) Chlorine

► (c) Bromine

17. Which non-metal is used in the treatment of rubber during the process of vulcanisation?

(a) Sulphur

(b) Phosphorus

(c) Carbon

(d) Chlorine

► (a) Sulphur

18. Which of the following compounds is used to make photographic films?

(a) Sodium chloride

(b) Silver bromide

(c) Potassium iodide

(d) Copper chloride

► (b) Silver bromide

19. Which of the following is called a noble metal?

(a) Mercury

(b) Gold

(c) Lithium

(d) Caesium

► (b) Gold

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

(a) iron

(b) potassium

(c) mercury

(d) magnesium

► (b) potassium

21. How many electrons are generally present in metals in their valence shell?

(a) 1, 2 or 3

(b) 7, 8 or 9

(c) 10, 11 or 12

(d) 20, 30 or 40

► (a) 1, 2 or 3

22. Calcium disappears into water forming:

(a) Calcium carbonate

(b) transparent water

(c) oxygen gas

(d) milky water

► (d) milky water

23. The most reactive metal is:

(a) Iron

(b) Gold

(c) Zinc

(d) Potassium

► (d) Potassium

24. Rust formation is called:

(a) illusion

(b) aberration

(c) deformation

(d) corrosion

► (d) corrosion

25. The property by which metals can be beaten into sheets is known as ____.

(a) Ductility

(b) Luster

(c) Sonority

(d) Malleability

► (d) Malleability

26. Metal oxides react with water to produce:

(a) oxygen gas

(b) all the metal

(c) hydroxides of metal

(d) hydrogenated metal

► (c) hydroxides of metal

27. Copper is more reactive than:

(a) Magnesium

(b) Iron

(c) Zinc

(d) Silver

► (d) Silver

28. Which material is used for making crucibles?

(a) Sulphur

(b) Silicon

(c) Graphite

(d) Phosphorus

► (c) Graphite

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

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