Explain the following terms with one example each: (a) Corrosion (b) Rancidity

Answers (1)

Corrosion is a process in which metals deteriorate due to chemical reaction with moisture ,air and chemicals.Rusting of iron is a major example of corrosion.Iron corrodes in presence of moisure and air.

4Fe+3O_2+H_2O
ightarrow 2Fe_2O_3.H_2O

Rancidity The process of oxidation of fats and oils which can be noticed by a change in colour, smell, and taste is known as rancidity. Example: When butter is kept in the open atmosphere than its smell and taste change which results in rancidity.

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