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10th Class Science Metals and Non-metals / धातु और अधातु Question Bank Metals and Non-Metals

  • question_answer
    Which of the substance is present in the photochromatic glass?

    A)  PbO                                     

    B)  \[C{{r}_{2}}{{O}_{3}}\]

    C)  Borax                                  

    D)  Silver bromide  

    Correct Answer: D

    Solution :

    Not Available


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