The composition of aqua-regia is *
1 point
A. Dil.HCl : Conc. HNO₃ = 3 : 1
B. Conc.HCl : Dil. HNO₃ = 3 : 1
C. Conc.HCl : Conc. HNO₃ = 3 : 1
D. Dil.HCl : Dil. HNO₃ = 3 : 1
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Answer:
it's correct option is c
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