The flame colours of metal ions are due to (a) Frenkel defect (b) Schottky defect (c) Metal deficiency defect (d) Metal excess defect The flame colours of metal ions are due to (a) Frenkel defect (b) Schottky defect (c) Metal deficiency defect (d) Metal excess defect December 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related