Edexcel Chemistry 3 - The Contact Process and Sulphuric acid A quiz on the contact process and sulphuric acid. 4.5 / 5 based on 7 ratings ? ChemistryHaber and industrial processesGCSEAll boards Created by: AislingCreated on: 24-05-11 15:41 What is the first step in the Contact Process? The production of sulphur dioxide by burning sulphur in air 1 of 4 What is the second step in the Contact Process? The production of sulphur trioxide by mixing sulphur dioxide with air and heating over a vandium oxide catalyst 2 of 4 What is the third step in the Contact Process? The production of oleum (fuming sulphuric acid) by dissolving sulphur trioxide in concentrated sulphuric acid 3 of 4 What is the fourth step in the Contact Process? The dilution of oleum to form sulphuric acid 4 of 4
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