The white ZnO turns yellow on heating because of (a) Frenkel defect (b) metal excess defect (c) Metal deficiency defect (d) Schottky defect The white ZnO turns yellow on heating because of (a) Frenkel defect (b) Metal excess defect (c) Metal deficiency defect (d) Schottky defect February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related