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H2-O2 fuel cells are used in space craft...

`H_2-O_2` fuel cells are used in space crafts for supply of ………. For astronauts.

A

`H_2`

B

`O_2`

C

`H_2O`

D

power

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CHETANA PUBLICATION-Electrochemistry-EXERCISE
  1. In dry cell, the container is made up of ……….. Metal.

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  2. The gas obtained at cathode during discharging of dry cell is ………..

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  3. H2-O2 fuel cells are used in space crafts for supply of ………. For astro...

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  4. The source of electrical energy on the Apollo space flights was ………

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  5. The approximate voltage of H2-O2 fuel cell is…………

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  6. If a metal ion is less easily reduced than a hydrogen ion, the electro...

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  7. When an aqueous solution of copper sulphate is electrolysed using copp...

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  8. Which of the following reactions would take place at the cathode durin...

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  9. In which of the following electrolysis, electrodes act as active elect...

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  10. When an aqueous solution of copper sulphate is electrolysed using copp...

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  11. Electrochemical equivalent of an element is .

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  12. On passing 3F electricity through three cells containing fused Na2CO3,...

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  13. How may coulombs of electricity are required for the oxidation of one ...

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  14. 1 coulomb of electricity produces m kg of a substance X. The electroch...

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  15. The net electric charge on DNA and histones is

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  16. A copper voltameter, a silver voltameter and a water voltameter are co...

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  17. If x the specific resistance of the solution and N is the normlaity of...

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  18. The reason for increase in electrical conduction of a weak electrolyte...

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  19. According to Kohlrausch law, the limitiing value of molar conductiviit...

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  20. The equivalent conductance of a 1N solution of an electrolyte is near...

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