1.

The composition of aqua regia is (a) cone. H2SO4 and cone. HCl in ratio of 1 : 3 (b) cone. HNO3 and cone. HCl in ratio of 1 : 3 (c) cone. HNO3 and cone. HCl in ratio of 3 : 1 (d) cone. H2SO4 and cone. HNO3 is ratio of 3 : 1

Answer»

(b) cone. HNO3 and conc. HCl in ratio of 1 : 3



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