| 1 |
Which one of the following is a galvanic cell? |
- A. Daniel cell
- B. Nelson's cell
- C. Down's cell
- D. Both B and C
|
| 2 |
Brine is an aqueous solution of |
- A. NaCI
- B. NaOH
- C. AgNO3
- D. CaO
|
| 3 |
In silver plating Anode is made of: |
- A. Gold
- B. Ag
- C. Neon
- D. Nil
|
| 4 |
Reduction means |
- A. Removal of H2
- B. Removal of electrons
- C. Gain of electrons
- D. Gain of O2
|
| 5 |
Oxidation means |
- A. Gain of oxygen
- B. Removal of oxygen
- C. Gain of hydrogen
- D. Gain of electrons
|
| 6 |
Br2 + H2S __ 2HBr + S, which one is oxidizing agent: |
- A. H2S
- B. Br2
- C. S
- D. 2HBr
|
| 7 |
Which is used for industrial manufacture of NaCI? |
- A. Daniel cell
- B. Down's cell
- C. Nelson's cell
- D. None of these
|
| 8 |
All electrolytes are: |
- A. Conductor
- B. Insulator
- C. Semi conductor
- D. Nil
|
| 9 |
Which one is strong electrolyte ? |
- A. NH4OH
- B. NaOH
- C. a & b
- D. Nil
|
| 10 |
Addition of OXYGEN is called. |
- A. Reduction
- B. Conduction
- C. Oxidation
- D. Nil
|