Question

A milk man adds a very small amount of baking soda to fresh milk.why does he shift the ph of the milk from 6 to slightly alkaline

Answer 1

By adding a very small amount of baking soda to fresh milk, the milkman keeps the milk unspoiled for little more time than usual time.

As the pH value increases the milk turns to slightly alkaline.

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Answer 2

When milk turns stale it gets converted to lactic acid. So to prevent milk from spoiling the milkman adds some baking soda to the milk, it’s ph increases and it becomes slightly basic.