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  3. 6th Class
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6th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    Which one of the following statements is incorrect?

    A) Ripening of fruit is a chemical change.

    B) Baking a chapatti is a reversible change.

    C) Making of curd from milk is an irreversible change.

    D) Making dough from wheat flour is an irreversible change.

    E) None of these

    Correct Answer: B

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