Question

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What is meant by Aqua Regia?
and
Name two noble metals..​

Answer 1

Answer:

"regal water" or "king's water") 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.

Chemical formula: HNO3+3 HCl

Explanation:

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