Ferric alum has the composition (NH4)2 SO4.Fe2(SO4)3.xH2). x is (a) 7 (b) 24 (c) 6 (d) 15 Ferric alum has the composition (NH4)2 SO4.Fe2(SO4)3.xH2). x is (a) 7 (b) 24 (c) 6 (d) 15 November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related