Mixtures have no definite set of properties
The mixture shows the properties of its constituents, and the composition of constituents varies, therefore it has no definite set of properties like a compound. For example, if take the example of sugar syrup, the sweetness of sugar syrup depends on the amount of sugar dissolved. Whereas in the case of compounds composition is fixed, therefore compounds have a definite set of properties.
Mixtures have no definite set of properties.
The given statement is True