Question

what is undesirable change ?​

Answer 1

Answer:

Undesirable change: Those changes which we do not want to take place are called undesirable changes. Examples: rusting of iron, souring of milk, rottening of fruits etc.

Answer 2

Answer:

Changes brought about by a person or by nature which are harmful are known as undesirable or nonagreeable changes. Examples: Rain causing destruction by floods, souring of milk.

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