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Question
(i)What is aqua regia?
(ii)Give any two uses of aqua regia.
(i)What is aqua regia?
(ii)Give any two uses of aqua regia.
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Solution
(i) Metals like gold and silver are not reactive with either HCl or HNO3. But the mixture of these two acids can dissolve gold. This mixture is called Aquaregia. It is a mixture of hydrochloric acid and nitric acid prepared optimally in a molar ratio of 3:1.
(ii) The two uses of aqua regia are:
1.It is chiefly used to dissolve metals such as gold and platinum.
2. It is used for cleaning and refining gold.
(i) Metals like gold and silver are not reactive with either HCl or HNO3. But the mixture of these two acids can dissolve gold. This mixture is called Aquaregia. It is a mixture of hydrochloric acid and nitric acid prepared optimally in a molar ratio of 3:1.
(ii) The two uses of aqua regia are:
1.It is chiefly used to dissolve metals such as gold and platinum.
2. It is used for cleaning and refining gold.
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