PG TRB Chemistry Previous Year Question Papers
| 1. |
Ethane and ethylene may be distinguished by using a few drops of |
| |
- A. Dilute hydrochloric acid
- B. Lime water
- C. Bromine water
- D. Litmus solution
|
| 2. |
Which one of the following requires a solvent other than water to dissolve it? |
| |
- A. Sulphur
- B. Dissolved gases
- C. Common salt
- D. Sugar
|
| 3. |
What is the chemical name of aspirin? |
| |
- A. Acetyl salicyclic stearate
- B. Acetyl salicyclic acid
- C. Benzyl salicylate
- D. Fumaric acid
|
| 4. |
Bleaching powder contains |
| |
- A. Nitrogen
- B. Iodine
- C. Bromine
- D. Chlorine
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