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
|