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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