Which among the given gases are present in the fuel cells used in spacecraft?

Hydrogen gas

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Oxygen gas

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Chlorine gas

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Nitrogen gas

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Solution

The correct options are
A Hydrogen gas
B Oxygen gas
Fuel cells are used in space craft and submarines. Fuels cells are special devices that produce electricity using hydrogen gas and oxygen gas. Efficiency of these cells is high.

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Hydrogen-oxygen fuel cells are used in submarines.

Hydrogen -Oxygen fuel cells are used in space craft to supply:

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