Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Get Attractive Job

Q.

Quartz is made of which of the following ?

A Calcium Sulphate
B Calcium Silicate
C Sodium Sulphate
D Sodium Silicate
Answer & Explanation
Option: [D]

Your Valuable Comments Please...

Important EBooks for Competitive Exams

VIEW ALL