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  3. 7th Class
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  5. Physical and Chemical Changes

7th Class Science Physical and Chemical Changes Question Bank Physical and Chemical Changes

  • question_answer
    Some pieces of chalk were taken and mixed with water. In this change, how many new substances are formed?

    A) 1

    B) 2

    C) 3

    D) No new substances is formed

    Correct Answer: D

    Solution :

    This is a physical change even though the characteristics of this mixture is different from the original substances, the substances retain their properties and can be recovered back easily.


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