Q. Quartz is a crystalline variety of
A) Silica
B) Silicon
C) Silicon carbide
D) Sodium silicate
Explanation
(a)
Quartz is a covalent crystal having a framework of silicates of silica, $ie,$ a three diamensional network when all the four oxygen atoms of each of $SiO_{4}\$tetrahedron are shared
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.