Question

why does PH of the fresh milk from 6 to slightly alkaline?

Answer 1

because if the milk man do not convert the milk into slightly alkaline
then,
lactose present in milk convert into lactic acid which can help milk to convert into a curd.
so, in order to prevent this , the milk man changes it into acidic to slightly alkaline

Answer 2

Answer:

Becoz of formation of lactic acid . It's pH changes from 6 to 4.5-5.5 ..

Hope it help you ✌️❣️