Quartz is a crystalline variety of (a) Silica (b) Sodium silicate (c) Silicon carbide (d) Silicon Quartz is a crystalline variety of (a) Silica (b) Sodium silicate (c) Silicon carbide (d) Silicon December 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related