Question

what is called aqua regia

Answer 1

Aqua regia. chemistry. Aqua regia, mixture of concentrated nitric and hydrochloric acids, usually one part of the former to three parts of the latter by volume. This mixture was given its name (literally, “royal water”) by the alchemists because of its ability to dissolve gold and other so-called noble metals.

Answer 2

Aqua regia is a mixture of nitric acid and hydrochloric acid, which is the molar ratio of 1:3.Usually it is in orange and yellow colour.

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