📝 Multiple Choice Question
General-science
The 'Aqua Regia' is a mixture of concentrated HCl and concentrated HNO3 in the ratio:
A
1:3
B
3:1
C
2:1
D
1:2
Explanation
Aqua Regia (Royal Water) consists of 3 parts HCl and 1 part HNO3; it can dissolve gold and platinum.
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