Elements Compounds Substances Metals And Non Metals Quiz 2 (20 MCQs)

Quiz Instructions

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1. Letter used to identify an element in periodic table is known as

Correct Answer: C) Symbol.

2. Iron, cobalt and nickel are metals which are

Correct Answer: B) Magnetic.

3. A compound is a

Correct Answer: A) Pure substance.

4. When sulphur dioxide is dissolve in water then

Correct Answer: B) Sulphuric acid is formed.

5. Brass is an example of

Correct Answer: A) An alloy.

6. What happens when dilute sulphuric acid is poured on a copper plate?

Correct Answer: C) Copper sulphate formed.

7. The metals that produce ringing sounds, are said to be

Correct Answer: C) Sonorous.

8. Copper sulphate (CuSO4) possesses

Correct Answer: B) Blue colour.

9. Which substance is present in fuel?

Correct Answer: C) Carbon.

10. The solution of ash of magnesium ribbon is

Correct Answer: A) Basic.

11. How many nonmetals are in gaseous state?

Correct Answer: A) 10.

12. The atomic number of sulphur is.....

Correct Answer: B) 16.

13. Non-metals are dull in appearance, this is why they do not reflect

Correct Answer: C) Light.

14. Metallic oxides are

Correct Answer: B) Basic in nature.

15. Hydrogen gas produce when metal react with

Correct Answer: C) Base.

16. Which non-metal catches fire if the exposed to air

Correct Answer: D) Phosphorous.

17. Which of the following can be beaten in to thin sheets?

Correct Answer: A) Zinc.

18. Which material show shiny appearance?

Correct Answer: D) Aluminium.

19. ..... is a metalloid.

Correct Answer: A) Silicon.

20. Which one of the following can't be drawn into wires?

Correct Answer: D) Coal.