The composition of aqua-regia is:
Dil. HCl:Conc. HNO3 3:1
Conc. HCl:Dil. HNO3 3:1
Conc. HCl : Conc. HNO3 3:1
Dil. HCl : Dil. HNO3 3:1
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Answer:
Dil.Hcl:con.HNO3 3:1
Explanation:
l think so
Answered by
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Explanation:
3) conc. HCL : conc. HNO3 3:1
IT IS THE CORRECT ANSWER
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