1.

A metal M, on treating with an acid H2SO4, form the salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the metal M ,salt and evolved gas Y. * Cu, CuSO4 and CO2 Zn,ZnS04 and H2 O , Cu, CuCl2 and H2 Ag, Ag2804 and H2

Answer» ONG>ANSWER:

answer is Cu, CUCL2 and H2

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