7th Class Science Sample Paper Science Olympiad Model Test Paper-15

  • question_answer
    Match the following.
    (A) \[Mg+{{O}_{2}}\] (I) \[MgO\]
    (B) \[MgO+{{H}_{2}}O\] (II) \[CaC{{O}_{3}}+{{H}_{2}}O\]
    (C) \[Ca{{(OH)}_{2}}+C{{O}_{2}}\] (III) \[Mg{{(OH)}_{2}}\]

    A) A - I, B - III, C - II                     

    B) A - III, B - II, C - I

    C) A - II, B - III, C - I                     

    D) A - I, B - II, C - III

    E) None of these

    Correct Answer: A


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