10th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    In which of the following molecules ionic bond is present?

    A) \[C{{H}_{4}}\]

    B) \[C{{l}_{2}}\]

    C) \[{{O}_{2}}\]

    D)  \[MgO\]

    E)  None of these

    Correct Answer: D


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