MCQ
In chloro alkali industries, during Solvay ammonia process, redox change occurs during
- Arecovery of $NH_3$ from salt
- BCalcination of limestone
- Cformation of ammonium bicarbonate
- ✓None of these
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$(I)$ Acid chloride $(II)$ Aldehyde
$(III)$ Ketone $(IV)$ Ester
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