Question

Which of the following is used for dissolution of gold?

A

Hydrochloric acid

B

Sulphuric acid

C

Nitric acid

D

Aqua regia

Medium

Solution

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Correct option is D)

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

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