Explain the curding of milk when it is sour.

Explain The curdling of milk when it sours.

Souring of milk is due to -

Souring of milk is due to -

Curding of milk take place by

What is the change in pH values of milk when it changs into curd? Explain.

At room temperature (20^@C) milk turns sour in about 65 hours. In a refrigerator at 3^@ C milk can be stored three times as long before its sours. Estimate : (a) Activation energy of the reaction that causes the souring of milk, (b) How long should it take milk to sour at 40^@ C.