Question

how will you test hydrogen gas
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Answer 1

Answer:

A test for hydrogen gas can be performed by bringing a burning candle near hydrogen. Hydrogen gas burns with a dazzling white flame and produces a pop sound.

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Answer 2

Answer:

A splint is lit and held near the opening of the tube, then the stopper is removed to expose the splint to the gas. If the gas is flammable, the mixture ignites. This test is most commonly used to identify hydrogen, which extinguishes with a distinctive 'squeaky pop' sound.