Question

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

Answer 1

Answer:

Explanation:

These bubbles are formed due to the evolution of carbon dioxide gas. This is a chemical change. In the change, the citric acid contained in lemon juice reacts with the baking soda or sodium bicarbonate) which results in the evolution of carbon dioxide gas.

Answer 2

Answer:

Lemon juice contains citric acid, when baking soda (base) is added to lemon juice, neutralization reaction takes place with release of carbon dioxide gas. As a new product is formed, therefore it is a chemical change.