Question

in which substance the gold will dissolve ​

Answer 1

$\huge\mathcal{A᭄nswer:-}$

$\sf\pink{Aqua\: Regia}$

"Regal water" or "king's water" is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. $\tt\blue{Aqua\: Regia}$ 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.❤

Answer 2

Answer:

$in mercury gold can soluble$

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