MCQ
The $H - C - H$ bond angle in $C{H_4}$ is
- ✓${109^o}28'$
- B${107^o}28'$
- C${90^o}$
- D${180^o}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$(a)$ ${CrO}_{3}$ $(b)$ ${Fe}_{2} {O}_{3}$ $(c)$ ${MnO}_{2}$ $(d)$ ${V}_{2} {O}_{5}$ $(e)$ ${Cu}_{2} {O}$
