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Question

STATEMENT-1 : Silver extraction is done by dissolving its ore into cyanide solution.
STATEMENT-2 : In cyanide process, the silver is precipitated from soluble complex of silver of zinc-dust.

A
STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is a correct explanation for STATEMENT-1
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B
STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is NOT a correct explanation for STATEMENT-1
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C
STATEMENT-1 is True, STATEMENT-2 is False
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D
STATEMENT-1 is False, STATEMENT-2 is True
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Solution

The correct option is A STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is a correct explanation for STATEMENT-1
Silver extraction is done by dissolving its ore into cyanide solution.
STATEMENT-2 : In cyanide process, the silver is precipitated from soluble complex of silver of zinc-dust.
Thus, STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is a correct explanation for STATEMENT-1

Ag2S+4NaCN2Na[Ag(CN)2]+Na2S

2Na[Ag(CN)2]+ZnNa2[Zn(CN)4]Sodium tetracyano zincate (II)+2Ag

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