Which of the following milks has to be refrigerated?
a. instant nonfat dried milk
b. nonfat dried milk
c. canned milk
d. unopened UHT milk
e. buttermilk
Question 2
The best way to prevent the curdling of a milk mixture that contains an acid is to
a. add the acid to the milk mixture.
b. add the milk to the acid mixture.
c. add salt to the mixture before adding the milk.
d. wait until after the milk and acid are combined to heat the mixture.