When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas

cbse
cbse-class-7-science
chemical-changes
physcial-and

#1

When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain.

Answer:
This is a chemical change. When baking soda is mixed with lemon juice, carbon dioxide is evolved in the form of bubbles.
Sodium Hydrogencarbonate + Citric acid-------► Carbon dioxide + Other products
(Baking soda)