Write some chemical reactions occurring in our daily life

[prasanna]

1. Souring of milk.
2. Formation of curd from milk.
3. Cooking of food.
4. Digestion of food in our body.
5. Fermentation of grapes.
6. Rusting of iron.
7. Burning of fuels.
8. Burning of cooking gas.
9. Ripening of fruits.