1 |
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
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2 |
Oxidation number of Cr in a C<sub>2</sub>CrO<sub>4</sub> is |
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3 |
A single lead cell provides volts |
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4 |
The cathodic reaction in the electrolysis of dil H2SO4, with pt electrode sis. |
- A. Reduction
- B. Oxidation
- C. Both oxidation and reduction
- D. Neither oxidation nor reduction
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5 |
When an atom reacts chemically and loses one or more electrons it is. |
- A. Decomposed
- B. Reduced
- C. Oxidized
- D. Catalyzed
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6 |
What is the oxidation state of sulphur in SO3<sup>2-</sup> |
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7 |
In the reaction 2Fe+3Cl2 ------------ FeCl2 |
- A. Fe is reduced
- B. Fe is oxidized
- C. Cl2 is oxidized
- D. None of these happens
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8 |
In H2SO4the oxidation number of 'S' is |
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9 |
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
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10 |
The oxidation number of C in C12H22O11 is |
- A. Zero
- B. - 6
- C. + 6
- D. 12
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