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Question

Aqua regia is a mixture of:

A
3 parts of concentrated HCl and 2 part of concentrated HNO3
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B
2 parts of concentrated HCl and 1 part of concentrated HNO3
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C
3 parts of concentrated HCl and 1 part of concentrated HNO3
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D
3 parts of concentrated H2SO4 and 2 part of concentrated HNO3
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Solution

The correct option is C 3 parts of concentrated HCl and 1 part of concentrated HNO3
Aqua regia is a mixture of 3 parts of concentrated HCl and 1 part of concentrated HNO3. It is a yellow-orange coloured, fuming liquid which is used to dissolve noble metals like gold and platinum.

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