Which among following raections of water generates oxygen gas ?
Which among following raections of water generates oxygen gas ?

1. Reaction with calcium oxide
2. Reaction with sodium
3. Reaction with ammonia
4. Photosynthesis reaction

Solution: Photosynthesis reaction

The overall balanced equation of photosynthesis reaction is…

6CO+ 6H2O ——> C6H12O+ 6O2