Which statement describes an intensive property of matter?
a. it is the same for every sample of a single substance.
b. it depends on how a substance was formed.
c. it is the same for every sample of every substance.
d. it depends on the amount of substance present.

  a.It is the same for every sample of a single substance.      

Explanation:

We know that property of matter are of two type

1. Extensive property :Those property of substance depends on the mass of substances.

2. Intensive property   : Those property of substance does not depends on the mass of substance.

So the intensive property of matter is the same for every sample of single substance.

The option a is correct.

  a.It is the same for every sample of a single substance.