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Combined State

Gold is extra...

Question

Gold is extracted from its ore using cynaide process followed by electrolysis.

A

True

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B

False

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Solution

The correct option is A True

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Q. Gold is also extracted by cyanide process as in case of silver.

Write the reactions.

Q. In the cyanide process for extraction of gold and silver from ores, the cyanide solution acts as a :

Q. Gven below is the incomplete equation for the extraction process of gold using potassium cyanide. Identify the missing reagent?

Roasted gold ore + C N^{─} + ? ? \to [A u (C N)_{2}]^{─} + O H^{─}

After the extraction process of gold, the traces of Cyanide can be removed by

Q. 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.

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