(a) in Contact process, sulphur dioxide can be oxidised to sulphur trioxide in the presence of platinised asbestos which acts as a catalyst. The reaction is exothermic. Explain what is meant by the terms in Italics. (b) Give examples of the use of sulphuric acid. (i) As an electrolyte In everyday use. (ii) As non-volatile acid. (iii) As an oxidising agent. [5 MARKS]

(a) in Contact process, sulphur dioxide can be oxidised to sulphur tri

1.	(a) in Contact process, sulphur dioxide can be oxidised to sulphur trioxide in the presence of platinised asbestos which acts as a catalyst. The reaction is exothermic. Explain what is meant by the terms in Italics. (b) Give examples of the use of sulphuric acid. (i) As an electrolyte In everyday use. (ii) As non-volatile acid. (iii) As an oxidising agent. [5 MARKS]
Answer» (a) in Contact process, sulphur dioxide can be oxidised to sulphur trioxide in the presence of platinised asbestos which acts as a catalyst. The reaction is exothermic. Explain what is meant by the terms in Italics. (b) Give examples of the use of sulphuric acid. (i) As an electrolyte In everyday use. (ii) As non-volatile acid. (iii) As an oxidising agent. [5 MARKS]