The PH of milk is __________?
A. 6.0
B. 6.5
C. 7.0
D.7.5
Milk fresh from the cow typically has a pH between 6.5 and 6.7. The pH of milk changes over time. As milk goes sour, it becomes more acidic and the pH gets lower. This occurs as bacteria in milk convert the sugar lactose into lactic acid