| 1 |
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- A. Fe is reduced
- B. Fe is oxidized
- C. CI<sub>2</sub>is oxidized
- D. None of these
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| 2 |
Which of the following statements is correct about galvanic cell |
- A. Anode is negative charged
- B. Reduction occurs at anode
- C. Cathode is positively charged
- D. Reduction occurs at cathode
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| 3 |
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
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| 4 |
Which has greater reduction potential |
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| 5 |
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
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| 6 |
What is the oxidation state of sulphur in SO3<sup>2-</sup> |
|
| 7 |
Cell potential depends upon |
- A. Temperature
- B. Concentration of ions
- C. Nature of electrolyte
- D. All of above
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| 8 |
Oxidation number of carbon in NaHCO<sub>3</sub> |
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| 9 |
When aqueous NaCl is electrolyzed, which of the following ions gas discharged at anode. |
- A. Cl-
- B. OH-
- C. Na+
- D. H+
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| 10 |
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
|