MCQ
What is $DDT$ among the following?
- AGreenhouse gas
- BA fertilizer
- CBiodegradable pollutant
- ✓Non-biodegradable pollutant
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Assume $100 \%$ ionization for both $NaCl$ and $MgCl _2$
Given : $K _{ b }\left( H _2 O \right)=0.52\,K\,kg\,mol ^{-1}$
Molar mass of $NaCl$ and $MgCl _2$ is 58.5 and $95\,g$ $mol ^{-1}$ respectively.