Sodium thiosulphate is used in photography (a) to convert metallic silver into silver salt (b) AgBr grain is reduced to non-metallic silver Sodium thiosulphate is used in photography (a) to convert metallic silver into silver salt (b) AgBr grain is reduced to non-metallic silver November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related