Question

What is meant by aqua regia

Answer 1

it is a solution containing 1 part hydrochloric acid and 3 part nitric acid, it is used a solvent, it can even dissolve gold

Answer 2

Aqua regia is a mixture of concentrated nitric acid and hydrochloric acid in the ratio 1:3. It is very strong ,enough to digest hard metals such as gold.

HOPE IT HELPS !