Question

what is the meaning of aqua regia????​

Answer 1

aqua regia is the solution which is used to clean any jwellary

actually is a mixture of HNO3 and HCl which react with gold and dissolve some gold in the solution

so that the jwellary ( gold) looks new

Answer 2

Explanation:

$\implies$ Aqua regia which os also known as Royal water in Latin is a very strong acid.

$\implies$It is an mixture of concentrated HCL and concentrated nitric acid in ratio 3:1.

$\implies$It chemical formula is $\mathsf{HNO_3 + 3 HCl}$

$\implies$It is an fuming yellow or red liquid.

$\implies$it is used by jewelers because it can dissolve the noble metals gold and platinum etc.

$\implies$But, it cannot dissolve Tantalum, iridium and a few other metals

$\implies$Although, it's not the the world's strongest acid that is carborane acid.