Question
Find the odd one out: $\mathrm{CH}_4, \mathrm{C}_2 \mathrm{H}_6, \mathrm{C}_3 \mathrm{H}_8, \mathrm{CaCO}_3$

Answer

$\mathrm{CaCO}_3$. (Others are organic compounds.)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free