A mixture doesn't have definite physical and chemical properties.

The correct option is A True

• As the makeup of a mixture is not fixed, its qualities can change.
• The melting and boiling points of the mixture are not fixed.
• The qualities of the components are retained in the mixture.
• Simple physical methods can be used to separate the components of a mixture.
• Chemically they retain their original properties.

A mixture that doesn't have definite physical and chemical properties is a true statement.