Q. What is the solvent of gold?

A
Aqua regia
B
Sulphuric acid
C
Hydrogen Chloride
D
Ethanol
Solution:

Aqua regia (Royal water in Latin) is a very strong acid. It is made by mixing one part concentrated nitric acid and three parts concentrated hydrochloric acid. The acid was named by alchemists because it can dissolve the noble metals gold and platinum. Tantalum, iridium .

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