H2S may provide the colloidal sulphur by (a) Oxidation (b) Reduction (c) Neutralization (d) Hydrolysis H2S may provide the colloidal sulphur by (a) Oxidation (b) Reduction (c) Neutralization (d) Hydrolysis November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,