The composition of aqua-regia is:
a) Dil HCL: Con.HNO;
3 : 1
c) Con.HCL:Con.HNO,
3 : 1
b) Con.HCl: Dil. HNO3
3 : 1
d) Dil. HCl: Dil. HNO3
3 : 1
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Answer:
concertrated HCl and hno3.....in the ratio 3:1
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