Q14 of 48 Page 2

Name the gas whic

Metals react with dil. sulphuric acid to give metal sulphates and hydrogen gas.

For example,


Zn(s) + H2SO4(aq) ZnSO4 + H2 (Hydrogen gas)


Test for hydrogen gas: Take about 5 ml of dilute sulphuric acid in a test tube and add a few pieces of zinc granules to it. Hydrogen gas is evolved which forms bubbles in the soap solution.


Bring a burning candle near hydrogen gas-filled bubble. It burns with a pop sound.


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