By the action of hot conc. H2SO4, phosphorus changes to (a) Phosphoric acid (b) Orthophosphoric acid (c) Metaphosphoric acid By the action of hot conc. H2SO4 phosphorus changes to (a) Phosphoric acid (b) Orthophosphoric acid (c) Metaphosphoric acid November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,