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While extracting an element from its ore, the ore is ground and leached with dil. potassium cyanide solution to form the soluble product potassium argento cyanide. The element is

1. Lead
2. Chromium
3. Manganese
4. Silver

Correct answer: Silver

Solution

Silver is extracted using the cyanide process, where it forms a soluble complex, potassium argento cyanide, during leaching with potassium cyanide.

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