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The ratio of amounts of H(2)S needed to ...

The ratio of amounts of `H_(2)S` needed to precipitate all the metal ions from `100 ml` of `1 M AgNO_(3)` and `100 ml` of `1 M CuSO_(4)` will be

A

`1:1`

B

`1:2`

C

`2:1`

D

`2:2`

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The correct Answer is:
B
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