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Q.

State whether the statement is True: The milkman adds a very small amount of baking soda to the fresh milk and it turns the pH of the fresh milk from 6 to slightly alkaline.


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a

True

b

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.
The fresh milk's pH will be changed from 6 to slightly alkaline by the milkman in order to prevent the formation of lactic acid, which would otherwise cause the milk to turn sour.
   
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