Question

Fresh milk has a ph of 6 . When it change into curd , will its ph value increase or decrease ? Explain your answer .

Answer 1

when milk is changed into curd its acidity increases means its ph decreases. this is because lactobaccilus bacteria converts lactose sugar into lactic acid

Answer 2

When it changes to curd its pH will decrease. It is because curd contains lactic acid. Since acids generally have a low pH value, when fresh milk changes to curd its pH will decrease.