MCQ
Which of the sub-shell is circular
- ✓$4s$
- B$4f$
- C$4p$
- D$4d$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


$\mathop {Al}\limits_{Metal} \xrightarrow{{HCl(aq.)}}'X' + Gas\,'P'$
$\mathop {Al}\limits_{metal} \xrightarrow[{ + {H_2}O}]{{NaOH\,(aq.)}}'Y' + Gas\,'Q'$