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Class 10 Science Medium Mcq English Medium

In the electrolysis of water, the volume of gas collected at one electrode is double that at the other. Which gas is collected in the larger volume?

Question
In the electrolysis of water, the volume of gas collected at one electrode is double that at the other. Which gas is collected in the larger volume?
Oxygen
Hydrogen
Both are collected in equal volumes
Neither -- volumes cannot be compared
Answer
Hydrogen
Detailed Explanation
Water contains two hydrogen atoms for every oxygen atom, so twice the volume of hydrogen gas is produced compared to oxygen gas.
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