Question

During the production of yoghurt and cheese, the pH of the mixture changes. What causes this change in pH?
A. milk proteins becoming solid
B. the changing of lactose to lactic acid
C. the production of carbon dioxide
D. the production of ethanol

Answer 1

Answer:

option A is right .........

Answer 2

$\bf\large\underline\blue{Answer:-}$

B) The changing of lactose to lactic acid.