Which one of the gas dissolves in H2SO4 to give oleum (a) SO2 (b) H2S (c) S2O (d) SO3 Which one of the gas dissolves in H2SO4 to give oleum (a) SO2 (b) H2S (c) S2O (d) SO3 November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,