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AIIMS AIIMS Solved Paper-2006

  • question_answer
    The colour imparted by Co (II) compounds to glass is:

    A)  green   

    B)                                         deep-blue         

    C)         yellow                 

    D)         red

    Correct Answer: B

    Solution :

    Coloured glass is obtained by adding certain substances to the molten mass. For example, cobalt oxide is added to impart deep blue colour to glass.


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