Question:
Composition of aqua-regia by volume is :
(a) Dil HCl (3) : Cone HNO3 (1)
(b) Cone HCl (3) : Dil HNO3 (1)
(c) Cone HCl (3) : Cone HNO3 (1)
(d) Dil HC1 (3) : Dil HNO3 (1)
Solution:
(c). is the correct answer.
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