Science, asked by yug527, 10 months ago

why does milk turn sour?​

Answers

Answered by tshivom9
7

Answer:

Milk contains a sugar called lactose. It also contains harmless bacteria called lactobacillus, which uses lactose for energy and creates lactic acid as a by-product. It is the lactic acid which makes milk taste sour.

Answered by anilkumar371983
2

Answer:

Because milk has some preservatives mixed that's why it becomes sour.

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