NEET Sample Paper NEET Sample Test Paper-67

  • question_answer
    Quartz is a crystalline variety of

    A) silica                

    B) sodium silicate

    C) silicon carbide    

    D) silicon

    Correct Answer: A

    Solution :

    Quartz is a covalent crystal having a framework of silicates or silica, i.e. a three-dimensional network when all the four oxygen atoms of each of \[Si{{O}_{4}}\] tetrahedron are shared.


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