Question

How will you detect the evolution of gas in reaction between a metal and an acid?

Answer 1

Answer:

When you introduce a match stick near the test tube then it burns with pop sound. That there is hydrogen gas .

Explanation:

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Answer 2

Question:-

How will you detect the evolution of gas in reaction between a metal and an acid?

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If we bring a burning matchstick at the mouth of the test tube, in which gas is being evolved as a result of a chemical reaction and if the gas burns with a pop sound and match stick extinguishes, then the evolved gas is Hydrogen gas

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