defence exam Army Havildar SAC Mock Test Series 2025 General Science Chemistry Equilibrium

The composition of aqua regia is_________.

1
Diluted HCl : Concentrated HNO3 :: 3 ∶ 1
2
Concentrated HCl : Concentrated HNO3 :: 3 ∶ 1
3
Concentrated HCl : Diluted HNO3 :: 3 ∶ 1
4
Diluted HCl : Diluted HNO3 :: 3 ∶ 1
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