Question

fresh milk has pH of 6 to you think that will change if we convert it into curd

Answer 1

When milk is turned into curd then its pH value will decrease due to the production of lactic acid in curd which is acidic in nature.

When milk turns into curd then it starts showing all properties of acid. It turns sour and the ph value decreases from 6.

Answer 2

Yes it changes the ph decreases as curd contain lactic  acid