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Chemical Effects of Electric Current

Which of the ...

Question

Which of the following gas is formed at the electrode, connected to the positive terminal of the battery?

A

Nitrogen gas

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B

Hydrogen gas

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C

Oxygen gas

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D

Carbon dioxide gas

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Solution

The correct option is C Oxygen gas
Oxygen bubbles are formed on the electrode connected to the positive terminal of the battery and hydrogen bubbles formed on the other electrode.

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