SULPHURIC ACIDVersion en ligne practice task for preparation of sulphuric acid by contact process. par Nancy Judah 1 Sulphuric acid used to prepare a Fertilizers b Manure c Compost 2 Catalyst used in contact process a Calcium oxide b Venadium pentoxide c Calcium chloride 3 Product formed at stage 3 in contact process a Sulphur dioxide b sulphur trioxide c Oleum 4 What is attachment to the chimney a acidic scrubber b basic scrubber c neutral scrubber 5 In which tower sulphur trioxide is formed a Contact tower b Absorption tower c Dilution tank
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