What is aqua regia...and anodising
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Aqua regia. Anodising is a process of forming a thick oxide layer of aluminium. ... (b) Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio 3: 1. It is also called royal water. It is highly corrosive and faming liquid.
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Aqua regia is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Since, it can dissolve royal metals such as gold and platinum it is also called ROYAL WATER .
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