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

  • question_answer
    Average composition of ordinary glass is

    A)  \[N{{a}_{2}}O.\,CaO.\,6Si{{O}_{2}}\]  

    B) \[N{{a}_{2}}O.\,2CaO.\,3Si{{O}_{2}}\]

    C)  \[N{{a}_{2}}O.\,CaO.\,6Si{{O}_{2}}.C{{r}_{2}}{{O}_{3}}\]

    D)  \[N{{a}_{2}}O.\,CaO.PbO.\,6Si{{O}_{2}}\]

    Correct Answer: A

    Solution :

    Not Available


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