Question

justify the following:-
Pasteurization is a desirable irreversible change.

Answer 1

Answer:

In pasteurization process milk is heated and then suddenly cooled. Thus only temperature of the milk is changed and it does not bring any change in the physical state of milk.

It is irreversible process because different products are formed.

Answer 2

Answer:

Pasteurization is the process in which substances such as milk are made safer for use. This is a desirable change as milk is made healthier and it can also be used for a longer period of time . Pasteurization is the process in which milk is heat and suddenly cooled. This process is used to kill unwanted bacteria. This can change the chemical composition of the substance , thus it is an irreversible change too. Thus, Pasteurization is a desirable irreversible change.

Explanation:

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