Question

Desirable percentage acidity range for freshly drawn milk is
a) 0.026 to 0.1
b) 0.10 to 0.26
c) 0.26 to 0.40
d) 0.40 to 0.56

Answer 1

The percentage acidity range for freshly drawn milk is 6.6.

Freshly drawn cow milk is amphoteric to litmus paper which means that it will turn the red litmus to blue and blue litmus to red.

The pH of normal healthy freshly drawn cow milk will range between 6.4 to 6.6.

Answer 2

Desirable percentage acidity range for freshly drawn milk is

a) 0.026 to 0.1

b) 0.10 to 0.26

c) 0.26 to 0.40

d) 0.40 to 0.56

Answer: Desirable percentage acidity range for freshly drawn milk is 6.6.

Reason for the answer: There are two types of acidity of milk. Natural acidity is developed due to the nitrates, phosphate and dissolved carbon dioxide present in the milk. And another form of acidity is due to the presence of acetic acid in the milk.