prove that the gas formed when metal react with acid in hydrogen
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The presence of bubbles signals that a gas is formed during the reaction. To confirm whether the gas is hydrogen, collect a small amount in a test tube. Hold a glowing splint at the opening of the test tube when you release the gas. If the gas ignites with a characteristic 'pop' sound, we will know it is hydrogen.
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After the reaction of a metal and a acid, hydrogen gas is produced.
To check for the existence of hydrogen gas, light a matchstick. If it burns with a pop sound, it shows that hydrogen gas is produced.
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