Answer:

1. 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.

2. Pure substances are substances that are made up of only one kind of particles and has a fixed or constant structure.

3.Condensation is the change of the state of matter from the gas phase into the liquid phase, and is the reverse of vaporization.

4.Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.

5. Distillation, or classical distillation, is the process of separating the components or substances from a liquid mixture by using selective boiling and condensation.

6.A distillate is the vapor in a distillation that is collected and condensed into a liquid.

7. A small amount of something that remains after the main part has gone or been taken or used.