Question

What is Aqua regia ?
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Answer 1

Answer:

a mixture of concentrated nitric and hydrochloric acids. It is a highly corrosive liquid able to attack gold and other resistant substances

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Answer 2

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Aqua regia is a yellow-orange or sometimes red colour fuming liquid. Aqua regia is a mixture of nitric acid and hydrochloric acid, at a molar ratio of 1:3 optimally.

Use of Aqua regia:

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,It is used as an electrolyte in the Wohlwill process to refine gold of the highest quality (99.999%).

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