Chemistry Questions and Answers
21. |
The alcohol used in the preparation of dynamite is |
|
- A. glycerol
- B. ethyl alcohol
- C. glycol
- D. methyl alcohol
|
22. |
The poisonous gas produced by a motor car |
|
- A. nitrous oxide
- B. carbon disulphide
- C. carbon monoxide
- D. methyl isocyanate
|
23. |
Cooking oil can be converted into vegetable ghee by the process of |
|
- A. hydrogenation
- B. distillation
- C. crystallization
- D. oxidation
|
24. |
Carbon dioxide is |
|
- A. a basic oxide
- B. an acidic oxide
- C. a neutral oxide
- D. an atmospheric acid
|