Question

Explain the action of aqua region on gold platinum elements

Answer 1

Aqua regia is a very strong acid formed by the combination of concentrated nitric acid and concentrated hydrochloric acid, both of which are strong acids. It is generally used to remove metals like gold and platinum from substances, especially in microelectronics and micro-fabrications labs.

@SNEHASINGH

Answer 2

Aqua regia is a mixture of three parts of concentrated HCl and one part of concentrated HNO3. Gold and platinum dissolve in aqua regia