| 1 |
The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as. |
- A. Voltaic cell
- B. Denial cell
- C. dry Cell
- D. Electrolytic cell
|
| 2 |
In which of the following changes, nitrogen in reduced. |
- A. NH3 to NO
- B. NH3 to NO3
- C. N2 to NH3
- D. N-3 to N2
|
| 3 |
Electrode of the lead storage battery are immersed in dilute H2SO4 which has strength by mass |
- A. 100%
- B. 98%
- C. 30%
- D. 10%
|
| 4 |
The reduction potential of Zn is. |
- A. +0.76 V
- B. -0.34 B
- C. +0.34 V
- D. -0.76 V
|
| 5 |
In NICAD dry cell, the cathode and anode is made up of. |
- A. Ca and Ag
- B. Ni and CdO2
- C. NiO2 and Cd
- D. Ag and Ag2O
|
| 6 |
In silver oxide battery, the cathode is mad up of. |
- A. AgO
- B. Ag2O
- C. Ag2O3
- D. Ag
|
| 7 |
Stronger the oxidizing agent, greater is the |
- A. oxidation potential
- B. Reduction potential
- C. Redox potential
- D. E.M.F of cell
|
| 8 |
Which is not use of electrochemical series. |
- A. Feasibility of reaction
- B. Measurement of EMF of cell
- C. Comparison of reactivity with water or acids
- D. Determination of atomic and ionic radii
|
| 9 |
The over all positive value for the reaction potential predicts that process is energetically. |
- A. Not feasible
- B. Feasible
- C. Impossible
- D. No indication
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| 10 |
If the salt bridge is not used between two half cells, then the voltage. |
- A. Decrease rapidly
- B. Decrease slowly
- C. Drops to zero
- D. Does not change
|