Why do a milk man add a small amount of sodium br carbonte to the milk

1.	Why do a milk man add a small amount of sodium br carbonte to the milk
Answer» Baking soda is a common name for sodium bicarbonate NaHCO3.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.Due to the addition of baking soda this milk becomes slightly basic because of which acids produced in this milk due to bacterial actions are neutralized. Hence, this milk takes longer time to set as curd.

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