Q.

Which of the following is used for dissolution of gold?

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a

Sulfuric acid 

b

Hydrochloric acid

c

Nitric acid

d

Aqua regia

answer is D.

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Detailed Solution

Aqua regia is a chemical solution that is obtained by mixing one part nitric acid and three parts hydrochloric acid and It can dissolve with gold, platinum, titanium, and other noble metals.

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Which of the following is used for dissolution of gold?