Question

What is the change in pH values of milk when it changes into curd? Answer for 2 marks​

Answer 1

Since change in curd is assosciated with generation of lactic acid, pH decreases for curd. It is about 5.

Answer 2

pH value decreases.

It is due to the formation of lactic acid in curd. Since,acid generally have low pH value ,when milk changes to curd its pH will decrease