Royal water is prepared by mixing two acids A and B. It can dissolve gold and platinum. It is highly corrosive and fuming liquid. Identify A and B. What is the ratio in which A and B are mixed?
Acid A is cone. HCl and B is cone. HNO3. 3 parts of cone. HCl is mixed with 1 part of cone. HNO3 to make Royal water called aqua-regia. It is basically used by the jewellers to wash the gold ornaments.