Which one of the following pairs of substances on reaction will not ev – InterviewSolution

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1.	Which one of the following pairs of substances on reaction will not evolve H_(2) gas ?
Answer» Iron and `H_(2)SO_(4)` (aq)? Iron and steam COPPER and HCl(g) Sodium and ethyl alcohol Solution :Copper is LESS reactive THA hydrogen and does not displace hydrogen from HCl.

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