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An queous solution of a substance gives ...

An queous solution of a substance gives a white precipitate on treating with dilute hydrochloric acid which dissolves on heating. When hydrogen sulphide is passed through the hot solution, a black precipitate is obtained. The substance is :

A

`Hg_2^(2+)`

B

`Cu^(2+)`salt

C

Ag salt

D

`Pb^(2+)`salt

Text Solution

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The correct Answer is:
D
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