Question

 A milk man adds a very small amount of baking soda to fresh milk.

a) Why does he shifts the pH of fresh milk from 6 to slightly alkaline?

Answer 1

By adding small amount of baking soda, the milkman shifts the pH of the fresh milk from 6 to slightly alkaline so that he can keep it for longer time as the milk in alkaline condition, does not set curd easily.
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