Question

d) How would you test the presence of this gas​

Answer 1

Explanation:

Hydrogen, oxygen, carbon dioxide, ammonia and chlorine can be identified using different tests.

Hydrogen. A lighted wooden splint makes a popping sound in a test tube of hydrogen.

Oxygen. A glowing wooden splint relights in a test tube of oxygen.

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Answer 2

Explanation:

For testing the presence of hydrogen gas, bring a burning candle near the test tube in which reaction has taken place. If the gas burns with a popping sound, the gas is hydrogen.