WAEC Chemistry 2014 Theory — Question 10
Question 10 of 38 from the West African Examinations Council (WAEC) Chemistry 2014 Theory paper, with the correct answer and a full explanation.
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1(i). State one use of each of the following processes in the chemical industry: (i) hydrogenation of vegetable oil; (ii) cracking; (iii) esterification
Model answer
(i) Hydrogenation of vegetable oil: Used in the production of margarine. (ii) Cracking: Used for obtaining lighter and more useful petroleum fractions (e.g. petrol) from heavier fractions. (iii) Esterification: Used for producing esters/alkanoates (e.g. for perfumes and flavourings).
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