Draw a laballed diagram to show that zinc tarnings react with can sulphric acid
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(i) The gas evolved is hydrogen.
(ii) Zn(s) + H2SO4(aq)-→ ZnSO4 + H2
Test for H gas: The presence of H2 gas can be tested passing the gas through soap solution and then bringing a burning splinter near the soap bubbles filled with the gas. If iire ga"s burns #th a pop sound, it is hydrogen.
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