Chemical Process
In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed :

Furnace → evaporator → absorber
Furnace → converter → absorber
Furnace → converter → evaporator
Converter → furnace → absorber

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Chemical Process
Wax is a

Liquid at room temperature
Mixture of esters of polyhydric alcohols excepting glycerine
Mixture of glycerides
Mixture of glycerides of fatty acids

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