Question

Fresh milk has a pH of 6. When it changes into curd (Yogurt), will its pH value increases or decreases ? Why ?

Answer 1

On adding Curd in Milk, the pH of milk decrease as curd contains Lactic Acid Bacteria. Lactic Acid Bacteria ferments milk and make it slightly more acidic.

Answer 2

hlo friend this is your answer

the ph scale is used to measure the acidity of a substance

the ph value of milk is 6 while that of curd is the range on 4.5

when th ph value of milk is decreases the milk convert into curd

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