Question

what is meant by aqua regia/royal water??

Answer 1

Answer:

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 (sometimes red) fuming liquid, so named by alchemists because it can dissolve the noble metals, gold and platinum, though not all metals.

Answer 2

$\huge \underline{ \underline \mathrm \blue{Answer}} -$

Aqua regia is a 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.

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