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Saponification is the value of oil for which the number of mgs of KOH required to saponify the ________ present in the 1g of oil.

(a) Fatty materials

(b) Salts

(c) Free acids

(d) Bases

This question was addressed to me in final exam.

My question is taken from Saponification Value in division Lubricants of Applied Chemistry

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The correct option is (a) Fatty materials

Explanation: The saponification is the value of oil determined as the number of mgs of KOH needed to saponify the fatty materials present in the 1g of oil. If it is free acids instead of fatty materials then it is called as neutralisation number.

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