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The compostion of aqua regia is...

The compostion of aqua regia is

A

`underset3 (Dil. HCl): underset1 (Conc. HNO_3)`

B

`underset3 (Conc.HCl): underset1 (Dil. HNO_3)`

C

`underset3 (Conc.HCl): underset1 (Conc. HNO_3)`

D

`underset3 (Dil.HCl): underset1 (Dil. HNO_3)`

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