How are soaps manufactured? (3 marks)

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Solution

Soap is made by heating animal fat or vegetable oil with concentrated sodium hydroxide solution (caustic soda solution). (1.5 marks)

The fats or oil react with sodium hydroxide to form soap and glycerol. This process is known as saponification. (1.5 marks)

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Soaps are manufactured by the process of ________ of oils and fats.

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