a. malleability
b. Ductility
c. conduction
d. Expansion
Ans . 1. (a)
2. Which one of the following is metal?
a. C
b. N
c. Na
d. O
Ans . 2. (c)
3. Which one of the following is non metal?
a. Zn
b. Al
c. Fe
d. N
Ans . 3. (d)
4. All materials shown property of malleability expect
a. Iron
b. Graphite
c. Aluminium
d. Silver
Ans . 4. (b)
5. Which one of the following is a good conductor of electricity?
a. Iron
b. Plastic
c. Wood
d. Glass
Ans . 5. (a)
6. The property of metal by which it can be drawn into wires is called
a. Conductivity
b. malleability
c. Ductility
d. Decorating
Ans . 6. (c)
7. The metals that produce ringing sounds, are said to be-
a. malleable
b. sonorous
c. Lustrous
d. hard
Ans . 7. (b)
8. Which metal is found in liquid state t room temperature?
a. Fe
b. Zn
c. Hg
d. Al
Ans . 8. (c)
9. The solution of ash of magnesium ribbon is-
a. Acidic
b. Basic
c. Neutral
d. All of these
Ans . 9. (b)
10. What is the product when sulphur reacts with oxygen?
a. Sulphuric acid
b. Sulphur trioxide
c. Sulphurous acid
d. Sulphur dioxide
Ans . 10. (d)
11. When sulphur dioxide is dissolve in water then-
a. Sulphur is formed
b. Sulphur trioxide is formed
c. Sulphuric acid is formed
d. Sulphurous acid is formed.
Ans . 11. (c)
12. What is the chemical formula of sulphurous acid-
a. H2SO4
b. SO2
c. SO3
d. H2SO3
Ans . 12. (d)
13. The sulphuric acid turns blue litmus paper into-
a. Red
b. Green
c. Yellow
d. Dark blue
Ans . 13. (a)
14. Oxides of non metals are _______ in nature
a. Basic
b. Acidic
c. Neutral
d. All of these
Ans . 14. (b)
15. Sodium metal is stored in-
a. Water
b. Alcohol
c. Kerosene
d. Ether
Ans . 15. (c)
16. Which one of the following metal reacts vigorously with oxygen and water?
a. Sodium
b. Potassium
c. Calcium
d. Magnesium
Ans . 16. (a)
17. Which metal is present in Calcium Hydroxide?