Question

What happens when a solution of baking soda is heated ? Write chemical equation for the same. Name the product which is responsible for making the bread or cake spongy and fluffy.

Answer 1

When baking soda is heated, it decomposes to produce sodium carbonate, water and CO₂ gas.

2NaHCO₃+Heat → Na₂CO₃+H₂O+CO₂

CO₂ gas produced during the reaction makes the cake or bread spongy and fluffy