7th Class Science Sample Paper Science Olympiad Model Test Paper-13

  • question_answer
    Look at the following equation
    Magnesium oxide + Water \[\to \] Magnesium hydroxide
    What kind of change does the above equation represent?

    A) Physical change

    B) Chemical change

    C) No change

    D) All of these

    E) None of these

    Correct Answer: B


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