MCQ
The composition of aqua $-$ regia is :
- ADil. $\ce{HCl}$ : Conc. $\mathrm{HNO}_3 \ \ 3 : 1$
- BConc. $\ce{HCl}$ : Dil. $\mathrm{HNO}_3 \ \ 3 : 1$
- ✓Conc.$\ce{HCl}$ : Conc. $\mathrm{HNO}_3 \ 3 : 1$
- DDil. $\ce{HCl}$ : Dil. $\mathrm{HNO}_3 \ 3 : 1$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
