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

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NCERT Solutions for Class 7 Science Chapter 6
Important NCERT Questions
7th Chapter 6 Physical and Chemical Changes
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 4

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1 Answer

  1. This a chemical change as new products are formed.
    Baking soda + Lemon juice ————> Salt + Carbon dioxide + Water
    When acid react with carbonates, salt is formed releasing carbon dioxide and water.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-6/

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