Question

The pH of fresh milk is 6.5. When this turns to curd, its pH is likely to become *
10 points
a. 7
b. 5.5
c. 7.5
d. Remains the same, i.e. 6.5​

Answer 1

Answer:

The pH value of milk is 6 since it is acidic in nature. When the milk is converted into curd due to the action of bacteria, lactic acid is formed which is more acidic in nature. Therefore the pH value of the milk is reduced as it turns to curd.

Explanation:

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Answer 2

Answer:

b. 5.5.

it reduces because of lactic acid's generation