Question

Why is the amount of gas collected in one
of the test tubes double the amount
collected in the other on the electrolysis of
water? Name this
gas.​

Answer 1

Answer:

Hydrogen and oxygen

Explanation:

Hydrogen and oxygen are collected by the electrolysis of water. Hydrogen is collected at the cathode and oxygen is collected at the anode. Hydrogen is two times of oxygen and they are in the ratio 2:1 . Its formula is H2O. The gases collected in the test tubes are hydrogen and oxygen.

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