Q.

What is the name of the process where fatty foods become rancid

1 Corrosion
 
2 Oxidation  
3 Reduction  
4 Hydrogenation  

Ans.

(2)

Fatty foods become rancid due to the process of oxidation. Food turns rancid when the fats and oils within them get oxidised and the taste and smell of the food changes. It is produced by aerial oxidation of unsaturated fat present in foods and other products, marked by unpleasant odour or flavour.