7th Class Science Sample Paper Science Olympiad Model Test Paper-12

  • question_answer
    What is the correct chemical formula for magnesium oxide?

    A) \[M{{g}_{2}}O\]

    B) \[M{{g}_{2}}{{O}_{3}}\]

    C) \[MgO\]

    D) \[M{{g}_{3}}{{O}_{2}}\]

    E) None of these

    Correct Answer: C


You need to login to perform this action.
You will be redirected in 3 sec spinner