Question

if freshly collected cow's milk spoils within a few hours at a room temperature but the packet milk stays fresh for a longer period of time. Give reason?
help me please​

Answer 1

Answer:

The freshly collected cow’s milk has some bacteria and that is why it gets spoiled in a few hours unless it is boiled and cooled. After boiling and cooling, the milk stays good for a few more hours. If boiled, cooled and kept in the fridge, it stays good for a few more days.

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