Question

Why a milk man shift the PH of the fresh milk from to slightly alkaline

Answer 1

Fresh milk is acidic & so it turns sour easily. So a milk man generally adds baking soda to it to make it slightly alkaline.In the presence of baking soda, milk becomes alkaline & does not turns sour easily because the alkaline does not allow the milk to become more acidic easily.

Answer 2

Answer:

this prevents milk from getting sour and keeping it fresh for long time.