Question

what is Aqua Regia !?​

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

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Answer 2

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

Aqua regia is Latin for 'royal water' because it can dissolve royal metals, such as gold and platinum, which amazed the alchemists at the time. Aqua regia is made by combining one part concentrated nitric acid (HNO3 ) to three parts concentrated hydrochloric acid (HCl).

Aqua regia is a mixture of hydrochloric acid (HCl) and nitric acid (HNO3) at a ratio of either 3:1 or 4:1. It is a reddish-orange or yellowish-orange fuming liquid. ... Note aqua regia will not dissolve all noble metals. For example, iridium and tantalum are not dissolved.