Question

fresh milk has a PH of 6when it changes into curd, will it's PH value increase or decrease
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Answer 1

Because ➡

●The pH of milk is 6 while that of curd is of the range 4.5 - 5.5.

●The pH decreases as milk changes into curd.

●This is because of the formation of lactic acid which as the name suggests is acidic in nature

●So It's pH will Decreases.

Answer 2

the pH value of curd will surely decrease because card have lactic acid in it due to presence of lactobacillus bacteria since the pH value decreases when the material goes acidic and hence the card is acidic due to lactic acid show the pH value would decrease .