Question

The spoiling of food is a chemical change which is recognized from the generation of certain ............ due to it.

Answer 1

hey here is ur answer
chemical

Answer 2

The food when gets spoiled smells very bad. This foul smell is due to the changes in the chemical composition of the food items.

This is a kind of chemical change. It can be identified from a certain smell which is produced due to some chemicals generated in the rotten foods.