Question

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 1

Answer:

answer is Cu, CuCl2 and H2

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