MCQ
$S{O_2}$ is obtained when
- AOxygen reacts with dilute sulphuric acid
- BHydrolysis of dilute ${H_2}S{O_4}$
- CConcentrated ${H_2}S{O_4}$ reacts with $N{a_2}S{O_3}$
- ✓Both (b) and (c)
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
What is relationship between $'\,B\,'$ and $'\,E\,'$ ?