At what concentration does hydrogen gas generated during charging form an explosive mixture?

Electrolysis and Storage of Batteries MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Electrolysis and Storage of Batterieselectrical-engineering-mcqs › electrolysis-and-storage-of-batteries
Published
15 Dec 2018
Last updated
28 May 2026

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Explanation

Hydrogen gas becomes explosive when its concentration exceeds 8%. Therefore, if hydrogen evolved during charging reaches more than 8%, it can create a hazardous explosive mixture.

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