A piece of zinc metal dropped in are dilutesolution of hydrochloric acid.
(a) which gas is liberated when a metal reacts with acid
(b) how Will you test the presence of this gas
(c) is it lighter or heavier than air
(d) how will you collect the above gas
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(a) hydrogen gas is liberated
(b) by taking a burning candle near the mouth of test tube
(c) it is lighter than air
(d) we will collect the gas by taking a test tube over it
(b) by taking a burning candle near the mouth of test tube
(c) it is lighter than air
(d) we will collect the gas by taking a test tube over it
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