Explain the term fraction distillation..... Draw a labelled diagram for carrying out the process of fractional distillation....
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Fractional distillation is the separation of a mixture into its component parts, or fractions. Chemical compounds are separated by heating them to a temperature at which one or more fractions of the mixture will vaporize. It uses distillation to fractionate. Generally the component parts have boiling points that differ by less than 25 °C (77 °F) from each other under a pressure of one atmosphere. If the difference in boiling points is greater than 25 °C, a simple distillation is typically used.
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two separate a mixture of two or more miscible liquids for which the difference in boiling point is less than 25 k fractional distillation process is used for example for separation of different gases from at the different fraction of Petroleum products except the Apparatus is similar to that for simple distillation accept a fractionating column is fitted in between the distillation flask and the contents of a simple fractionating column is a tube packed with glass beads provide surface for vapours to cool and condensed repeatedly
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