mention the precautions to be taken in the experiment to show that hydrogen gas is evolved when metals react with acids mention the experimental procedure
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AIM: To prove acid reacts with metal.
MATERIAL REQUIRED:Test tube,zinc granules,dilute HCl,delivery tube glass through candle soap water.
PROCEDURE:Take 20ml of diluteHCl and add zinc to it then the gas being evolved is passed through soap water .Bring a burning candle near gas filled babble you will notice the gas involved with a pop-sound concluding it has hydrogen
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