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Q.

Aqua regia is a mixture of the following in the ratio 1:3 by volume

[A] conc. HNO3 and conc. HCl
[B] conc. HNO3 and conc. H2SO4
[C] dia. HCl and dil. HNO3
[D] conc. HCL and conc. HNO3

Answer & Explanation

Answer: Option [D]

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