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Which one among the following pairs of i...

Which one among the following pairs of ions cannot be separated by `H_(2)S` in dilute hydrochloric acid ?

A

`Bi^(+3), Sn^(+4)`

B

`Al^(+3),Hg^(+2)`

C

`Zn^(2+), Cu^(2+)`

D

`Ni^(2+),Cu^(2+)`

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  8. A light greenish coloured salt was soluble in water ion passing H(2)S ...

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  18. Acidic K(2)Cr(2)O(7) reacts with H(2)S to produce:

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