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The solubility products of CuS,Ag2S and ...

The solubility products of CuS,Ag_2S and HgS are `10^(-31)`, `4*10^(-44)`and `10^(-54)` respectively. If Na_2s is added in a solution containing `0.1 M` `Cu^2+`,`Ag^2+` and `Hg^2+`each then the

A

CuS will precipitate first

B

`Ag^2+` will precipitate first

C

`HgS `will precipitate first

D

All will precipitate simultaneously

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
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