Q44 of 152 Page 48

Explain the term "rancidity". What damage is caused by rancidity?

The condition in which aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called rancidity. Food materials are spoiled if kept for a considerable time by rancidity and become unfit for consumption.

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43 What type of chemical reaction is involved in the corrosion of iron? 43 Name any three objects (or structures) which are gradually damaged by the corrosion of iron and steel. 44 What type of chemical reaction is responsible for causing rancidity? 44 State and explain the various methods for preventing or retarding rancidity of food.