11th Class Chemistry Hydrogen & Its Compounds / हाइड्रोजन और इसके यौगिक

  • question_answer 1)
      Only one element of ...... forms hydride. (a) group 6                          (b) group 7                          (c) group 8                          (d) group 9

    Answer:

      (a) Only Cr, the member of group 6, forms hydride.


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