A student was given Mn, Zn, Fe and Cu metals. Identify which of them
(a) will not displace hydrogen from dil. HCl.
(b) will react only with steam to give hydrogen gas.
(c) will give hydrogen gas with very dil. HNO3.
Write the chemical reactions involved.
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will not displace hydrogen from dil. HCl. is cu
) will react only with steam to give hydrogen gas.
zn and fe
c) will give hydrogen gas with very dil. HNO3.
ans: Mn
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