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Burning of a paper is a change....

Burning of a paper is a ________ change.

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**Step-by-Step Solution:** 1. **Understanding the Process**: When paper is burned, it undergoes a transformation. The original paper is changed into different substances. 2. **Identifying the Products**: The burning of paper produces ash, carbon dioxide (CO2), and water (H2O), along with heat energy. 3. **Recognizing New Substances**: The products formed (ash, CO2, and H2O) have different properties compared to the original paper. This indicates that a chemical reaction has occurred. ...
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Knowledge Check

  • The burning of candle is a ___________ change.

    A
    Periodic and irreversible
    B
    Reversible and chemical
    C
    Non-periodic and reversible
    D
    Chemical and irreversible

  • Burning of cracker is a __________ and ___________ change

    A
    physical, fast
    B
    chemical, fast
    C
    chemical, slow
    D
    physical, slow

  • Assertion (A): Burning of candle is a physical change. Reason (R ): In physical change, no new substance is formed.

    A
    Both A and R are true and R is the correct explanation of A.
    B
    Both A and R are true but R is NOT the correct explanation of A.
    C
    A is true but R is false.
    D
    A is false and R is true.

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    Why is burning of paper a permanent change?

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