Test paper2 of chapters The World of Metals and Non-metals & Changes Around Us: Physical and Chemical

 MCQ questions :-

1. Which of the following is a metal?

a) Sulfur
b) Phosphorus
c) Copper
d) Carbon

2. Which of the following is a non-metal?

a) Aluminium
b) Iron
c) Gold
d) Sulfur

3. Which property makes metals useful for making wires?

a) Ductility
b) Malleability
c) Sonority
d) Brittleness

4. Which property of metals allows them to be hammered into sheets?

a) Sonority
b) Brittleness
c) Malleability
d) Conductivity

5. Which element is stored in kerosene?

a) Magnesium
b) Zinc
c) Sodium
d) Iron

6. Which of these metals is least reactive?

a) Sodium
b) Iron
c) Calcium
d) Gold

7. Non-metals are usually:

a) Lustrous
b) Sonorous
c) Ductile
d) Brittle

8. Which of these metals forms rust when exposed to air and moisture?

a) Iron
b) Copper
c) Aluminium
d) Gold

9. A metal oxide when dissolved in water turns red litmus blue because it is:

a) Acidic
b) Basic
c) Neutral
d) Salty