Anmol 10 litres of dil NaOH in a solution in a test tube and added a piece of aluminium to it he observed tiny bubbles of gas in the solution he brought a burning matchstick in the mouth of the test tube what did he observed
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he observes a pop sound as when aluminum is dropped in the testube the aluminium displaces sodium from it and releases the hydrogen gas and this gas which is highly combustible reacts with heat to give out pop sound
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