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When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is
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- Hydrogen
- Oxygen
- Carbon dioxide
- All of them
- Hydrogen
Correct Option: C
When baking soda and lemon juice are added together, the reaction of the two is an acid-based reaction because it involves an acid (citric acid in the lemon juice) reacting with a base (sodium bicarbonate, more commonly known as baking soda). Carbon dioxide, a gas, is produced by the reaction.
