Question

which of the following are intensive properties?
boiling point
viscosity
all of these
density

Explanation:

Intensive properties do not depend on the amount of substance. Boiling point is the temperature at which a substance changes from liquid to gas, viscosity is a measure of a fluid's resistance to flow, and density is mass per unit volume. All these do not change with the quantity of the substance.

Answer:

C. All of these