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When `H_(2)S` gas is passed in a metal sulphate solution in presence of `NH_(4)OH`, a white precipitated is produced. The metal is identified as

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When `H_(2)S` gas is passed in a metal sulphate solution in presence of `NH_(4)OH`, a white precipitated is produced. The metal is identified as
A. Zn
B. Fe
C. Pb
D. Hg
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Correct Answer - A
`Zn^(+2)` with `H_(2)S` in presence of `NH_(4)OH` gives ZnS (white) ppt so the metal is Zn
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