MCQ
Nitrogen can be obtained from air by removing
- AOxygen
- BHydrogen
- CCarbon dioxide
- ✓Both $(a)$ and $(c)$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$(A)$ $M$ and $N$ are non-mirror image stereoisomers
$(B)$ $M$ and $O$ are identical
$(C)$ $M$ and $P$ are enantiomers
$(D)$ $M$ and $Q$ are identical