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

  • question_answer
    Which one of the following is the correct balance of chemical equation for the reaction of magnesium oxide + carbon \[\to \] Magnesium + Carbon monoxide?

    A) \[Mg+{{C}_{2}}{{O}_{2}}\to Mg+2C{{O}_{2}}\]

    B) \[Mg{{O}_{2}}+{{C}_{2}}\to Mg+2C{{O}_{2}}\]

    C) \[2MgO+C\to MgC+C{{O}_{2}}\]

    D) \[MgO+C\to Mg+CO\]

    E) None of these

    Correct Answer: D


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