Banking Chemistry General Concepts of Chemistry Question Bank General Concepts of Chemistry

  • question_answer
    Which one is a bivalent ion?

    A)  sodium                        

    B)  calcium  

    C)  sulphide              

    D)         Both [b] and [c]

    Correct Answer: B

    Solution :

     \[C{{a}^{++}}\,and\,\,{{S}^{--}}\]


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