Question

14. Which of the following acid is used in the purification of gold and silver?
1) Acetic acid
2) Nitric acid
3) Tartaric acid
4) Sulphuric acid
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Answer 1

Answer:

Nitric Acid is used in the purification of gold and silver .

Explanation:

It  is used to separate small gold quantities from silver .

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Answer 2

Answer:

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