TRB MODEL QUESTIONS FOR CHEMISTRY
| 51. |
Which one of the following is a weak acid? |
| |
- A. HCL
- B. H2SO4
- C. HNO3
- D. CH3COOH
|
| 52. |
Copper reacts with H2SO4 liberating |
| |
- A. H2
- B. SO2
- C. H2S
- D. O2
|
| 53. |
The catalyst used in the preparation of NH3 by Haber’s process is |
| |
- A. Iron
- B. Sunlight
- C. Manganese dioxide
- D. Platinum
|
| 54. |
The catalyst used in conversion of white phosphorous to red phosphorous is |
| |
- A. Iodine
- B. Sulphur
- C. Carbon
- D. Diammonium Phosphate
|
| 55. |
----- acid is called king of chemicals. |
| |
- A. Nitric
- B. Acetic
- C. HCL
- D. Sulphur
|
