1.

Write the chemical composition of Aqua-regia. Give its use

Answer»

Explanation:Aqua regia or nitro-hydrochloric acid is a HIGHLY corrosive mixture of acids, a fuming yellow or red SOLUTION. The mixture is formed by FRESHLY mixing CONCENTRATED nitric acid and hydrochloric acid, optimally in a volume ratio of 1:3. Aqua regia is highly corrosive that it can DISSOLVE metals, such as gold and platinum.



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