| 1 |
Which is used for industrial manufacture of NaCI? |
- A. Daniel cell
- B. Down's cell
- C. Nelson's cell
- D. None of these
|
| 2 |
Br2 + H2S __ 2HBr + S, which one is oxidizing agent: |
- A. H2S
- B. Br2
- C. S
- D. 2HBr
|
| 3 |
Gases produced in Nelson's cell are:<br> |
- A. H<sub>2</sub> and O<sub>2</sub>
- B. H<sub>2</sub> and CI<sub>2</sub><br>
- C. H<sub>2</sub> and N<sub>2</sub><br>
- D. CI<sub>2</sub> and O<sub>2</sub><br>
|
| 4 |
NaOH is prepared by ____________ of NaCL (aqueous). |
- A. Electrolysis
- B. Decomposition
- C. A & B
- D. Nil
|
| 5 |
Oxidation means |
- A. Gain of oxygen
- B. Removal of oxygen
- C. Gain of hydrogen
- D. Gain of electrons
|
| 6 |
In silver plating Anode is made of: |
- A. Gold
- B. Ag
- C. Neon
- D. Nil
|
| 7 |
Reduction means |
- A. Removal of H2
- B. Removal of electrons
- C. Gain of electrons
- D. Gain of O2
|
| 8 |
The cathode of Daniel cell is made up of |
|
| 9 |
Formation of water form hydrogen and oxygen is:<br> |
- A. Redox reaction<br>
- B. Acid-base reaction <br>
- C. Neutralization<br>
- D. Decomposition<br>
|
| 10 |
Which one of the following is not an electrolyte?<br> |
- A. sugar solution<br>
- B. sulphuric acid solution<br>
- C. Lime solution<br>
- D. Sodium chloride solution<br>
|
