Question

state the characteristic of pure matter​

Answer 1

Answer:

That it will have characterizing physical properties:  

melting point ; boiling point ; etc.

Explanation:

That it will have a definite chemical composition; that it will have definite, characterizing chemical properties.

Answer 2

Explanation:

the of pure substance is that it only contains atoms of only one kind. It as fixed chemical and physical properties. For example boiling point, melting point, density, solubility, etc