Question

What is Aqua regia?PLSE TELL ME

Answer 1

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

Aqua regia  from Latin, lit. "royal water" or "king's water") is a mixture of nitric acid and hydrochloric acid,[1]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.