| 1 |
In the redox reaction between zn and HCI. the oxidizing agent is:<br> |
- A. zn <br>
- B. H<sup>+</sup>
- C. C
- D. H<sup>2</sup>
|
| 2 |
Which one is strong electrolyte ? |
- A. NH4OH
- B. NaOH
- C. a & b
- D. Nil
|
| 3 |
The cathode of Daniel cell is made up of |
|
| 4 |
NaOH is prepared by ____________ of NaCL (aqueous). |
- A. Electrolysis
- B. Decomposition
- C. A & B
- D. Nil
|
| 5 |
Nelson's cells used to prepare caustic soda along with gases. Which of the following gas is produced at cathode?<br> |
- A. CI<sub>2</sub>
- B. H<sub>2</sub>
- C. O<sub>3</sub>
- D. O<sub>2</sub>
|
| 6 |
The branch of chemistry which deals with inter conversion of electrical & chemical energy is: |
- A. Biochemistry
- B. Electrochemistry
- C. Organic chemistry
- D. None of these
|
| 7 |
All electrolytes are: |
- A. Conductor
- B. Insulator
- C. Semi conductor
- D. Nil
|
| 8 |
In peroxides, the oxidation no. of O is |
|
| 9 |
Spontaneous chemical reactions take place in:<br> |
- A. electrolytic cell <br>
- B. Galvanic cell <br>
- C. Nelson' s cell <br>
- D. downs cell <br>
|
| 10 |
Which one of the following is not an electrolytic cell:<br> |
- A. Down cell<br>
- B. Galvanic cell <br>
- C. Nelson' cell <br>
- D. Both a and c<br>
|
