Question

Explain by writing a word equation bubbles are seen on adding lemon juice to baking soda

Answer 1

Answer:

Approximately 5 percent of lemon juice is citric acid, which accounts for the sour taste of the lemon. When you mix an acid and a base, the result is a chemical reaction that creates a new product, with a neutral base. In the case of lemon juice and baking soda, the new product is carbon dioxide gas, water and salt.

Answer 2

When baking soda (Sodium hydrogen carbonate) is mixed with lemon juice (citric acid), bubbles are formed. The bubbles are formed due to the evolution of carbon dioxide gas. This is a chemical change.

In this change, citric acid contained in lemon juice reacts with sodium hydrogen carbonate which results in the evolution of carbon dioxide gas.

Lemon juice + Baking soda → Carbon dioxide + Other substances

Citric acid Sodium

Hydrogen carbonate

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