Question

Which is a physical property of milk?

milk has a ph ranging from 6.4 to 6.8.

milk spoils when left unrefrigerated over several days

milk boils at about 212 F (100 c)

milk curdles when mixed with vinegar

Answer 1

Answer:

Milk boils at about 212 F (100 c)

Explanation:

A physical property is a property in which a chemical change is not nessecary to undergo to know about.

Since all the other options require a chemical change to know, they are not physical properties.

The third option is a physical property because it does not require a chemical change to know.