| 1 |
That cell in which electrical energy is converted into chemical energy is called |
- A. Galvanic cell
- B. Electrolytic cell
- C. Fuel cell
- D. Daniel cell
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| 2 |
|
- A. Fe is reduced
- B. Fe is oxidized
- C. CI<sub>2</sub>is oxidized
- D. None of these
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| 3 |
Which is not chargeable cell |
- A. Lead accumulator
- B. NiCAD cell
- C. Fuel cell
- D. Alkaline battery
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| 4 |
Stronger the oxidizing agent greater is the |
- A. Oxidation potential
- B. Reduction potential
- C. Redox potential
- D. E.M.F of cell
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| 5 |
If strip of Cu metal is placed in the solution of FeSO4 |
- A. Cu will be precipitated out
- B. Fe is precipitated out
- C. Cu and Fe both dissolves
- D. No reaction takes place
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| 6 |
Which statements not correct about Galvanic cell. |
- A. Anode in negatively charge
- B. Reduction occur at anode
- C. Cathode is positively charged
- D. Reduction occur at cathode
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| 7 |
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
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| 8 |
Cell potential depends upon |
- A. Temperature
- B. Concentration of ions
- C. Nature of electrolyte
- D. All of above
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| 9 |
In which compound the oxidation number of Mw is +6 |
- A. KMnO4
- B. K2MnO4
- C. MnO2
- D. MnO
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| 10 |
Fuel cells are the means by which chemical energy may be converted into |
- A. Heat energy
- B. Magnetic energy
- C. Sound energy
- D. Electric energy
|