Q 1: In the manufacture of sulphuric acid by the contact process, the catalytic oxidation of SO2 is carried out in multiple stages mainly to
Q 2: Match the reactant–product combination in Group 1 with the unit process in Group 2
| (P) propylene –butanol | (1) Pyrolysis |
| (Q) cumene –phenol | (2) Dehydrogenation |
| (R) butane –butadiene | (3) Hydroformylation |
| (S) ethylene dichloride – vinyl chloride | (4) Peroxidation |
Q 3: Identify which of the following statements are FALSE.
| Q: The production of synthesis gas from coal and steam is an endothermic process |
| Q: Production of synthesis gas from coal and steam is an endothermic process |
| R. Use of chlorine for bleaching of wood pulp results in the release of dioxins |
| S: In the manufacture of urea from ammonia, the main intermediate product formed is ammonium bicarbonate |