Question

what is aqua regia? ​

Answer 1

Explanation:

Aqua regia is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals.

Answer 2

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Mixture of Concentrated nitric and concentrated Hydrochloric acid in the ratio 1:3 by volume .

Literary aqua regia means royal water.

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It is the only liquid which can dissolve gold and platinum in it.