Question

Give reasons for the following :

a) Fresh milk is boiled before consumption while processed milk stored in packets can be consumed without boiling.

b) Raw vegetables and fruits are kept in refrigerators whereas jams and pickles can be kept outside.​

Answer 1

Answer:

1. a) it is because of pasteurization
2. b)because to keep them away from spoliation

Answer 2

Answer:

Fresh milk is boiled before consumption to kill the microorganisms in it. But packed milk is pasteurised and does not contain any microorganisms. It can therefore be consumed without boiling

It is because pickles and jams contain some preservatives such as sugar, salt and other ingredients in them. Though, pickles and jams do not easily get spoil by bacteria, air or other factors when you are kept them outside

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