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6th Class Science Changes Around us Question Bank Changes Around us

  • question_answer
    DIRECTIONS: Read the following two statements carefully and choose the correct option. (i) Change of liquid water to steam, on boiling, is an irreversible change. (ii) Beating of human heart is a non-periodic change.

    A) Statement (i) is correct while statement (ii) is in correct.

    B) Statement (ii) is correct while statement (i) is incorrect.

    C) Both statements are correct.

    D) Both statements are incorrect.

    Correct Answer: D

    Solution :

       


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