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Class 10 Science Medium Mcq English Medium

In the electrolysis of water activity, what two gases are collected at the two electrodes?

Question
In the electrolysis of water activity, what two gases are collected at the two electrodes?
Nitrogen and oxygen
Hydrogen and oxygen
Hydrogen and chlorine
Carbon dioxide and oxygen
Answer
Hydrogen and oxygen
Detailed Explanation
Passing electric current through water (with a little acid added) decomposes it into hydrogen gas at one electrode and oxygen gas at the other.
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