MCQ
Cow dung is appropriately used as
- ✓Manure
- BFuel
- CMedicine
- DBuilding material
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$CO _{2}+ H _{2} O \stackrel {A} {\rightleftharpoons} H _{2} CO _{3} \stackrel {B} {\rightleftharpoons} \rightleftharpoons HCO _{3}^{-}+ H ^{+}$