Question

What is Royal water? Write it's use

Answer 1

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Royal water, or better known for its Latin name Aqua regia, is a fuming, corrosive liquid solution first invented by an Arab alchemist back in the 8th century. ...

These days, royal water is primarily used to produce chloroauric acid, the electrolyte used in the gold-refining chemical process

Answer 2

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. It is a red or yellowish liquid.

ITS USES

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It can dissolve noble metals such as gold and platinum but not all metals. Aqua regia is mainly used for the manufacture of chloroauric acid.