state gov UP Police Workshop Staff (Radio Cadre) Mock Test General Science Chemistry Equilibrium

The composition of Aqua Regia is

1
Conc.H2SO4 and Conc. HCl in the ratio of 1:3
2
Conc.HNO3 and Conc. HCl in the ratio of 1:3
3
Conc.HNO3 and Conc. HCl in the ratio of 3:1 
4
Conc.H2SO4 and Conc. HNO3 in the ratio of 3:1
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