The pH of a salt used to make food items, like cakes, is 9. Identify the salt and write a chemical equation for its formation. List its two uses.

The salt is baking soda - Sodium bicarbonate. The reaction for the formation of baking soda: NaCl + H₂O + CO₂ + NH₃ → NH₄Cl + NaHCO₃
Uses of Sodium Bicarbonate:

1. It is used in soda acid fire extinguishers.
2. It is used as an ingredient in antacids.