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10th Class Science Periodic Classification of Elements Question Bank Periodic Classification of Elements

  • question_answer
    The ores of an element 'X' are generally found in the earth's crust and its oxides give strong alkalis. To which group does 'X' belong to?

    A) I A group                            

    B) II A group         

    C) III A group                         

    D) IV A group         

    Correct Answer: B

    Solution :

    The second group elements are known as alkaline earth metals.


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