Question

Which of these statements is true of mixtures?
A Very little or no exchange of energy occurs during the formation of mixtures
B A mixtures can only be separated into its constituents by chemical methods
C Mixtures always contain a fixed proportion of elements by mass
D A mixture cannot be easily separated into its constituents

Answer 1

When two or more than two molecules combined together physically is called mixture

Answer 2

Answer:

In chemistry, a mixture is a material made up of two or more different substances which are physically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids.

Explanation: