Teaching REET Mock Test Series 2024-25 Level 1 & 2 (Hindi-Sanskrit-English) General Science Chemistry Equilibrium
Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of ______ by volume.
1
3 ∶ 1
2
2 ∶ 1
3
6 ∶ 1
4
4 ∶ 1
5
Question Not Attempted