State whether it is True: A milkman adds very little baking soda to fresh milk and this is why it takes a long time for the milk to set as curd.

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True

False

answer is A.

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Detailed Solution

The above statement is true.
Since milk is naturally acidic, its pH value is 6.
Lactic acid, which is more acidic in nature, is created when milk is transformed into curd by the action of bacteria.
As a result, the pH level of the milk decreases as it becomes curd.
Such milk takes a long time to set into curd because the lactic acid produced here first neutralizes the pH then the pH is reduced to turn milk to curd.

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