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Chemistry CBSE Live product
Class 7 (2025-26)
Exploring Substances: Acidic, Basic, and Neutral
Revision II - Exploring Substances: Acidic, Basic, and Neutral
9.
Baking soda reaction with vinegar
Question:
4
m.
Answer the following questions:
Baking soda reaction with vinegar
i.
What is one visible sign that a chemical reaction has taken place?
Dissolving of baking soda
Increase in volume of vinegar
Formation of gas bubbles
Dissolution of baking soda
ii.
What gas is released during the reaction?
Carbon dioxtde
Nitrogen dioxide
Sulphur dioxide
Oxygen
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