Filtration, Evaporation, Distillation

Question 1

Complete the sentences:
1. At water treatment plants, water goes through various _______.
2. Each filter prevents large insoluble s_____ from passing through.

Answer 1

1.= Filters.
2.= Solids.

Question 2

Which 2 processes must be used to separate a mixture of sand, water and salt?

Answer 2

Filtration and Evaporation.

Question 3

Finish this sentence:
In a solid the particles vibrate about a fixed point. They don’t move around. Out of the three states of matter solid has the least amount of ______.

Answer 3

Energy.

Question 4

What happens to salt during crystallization and why?

Answer 4

It forms into small cubes because the salt dissolves in hot water and then soon after it cools down making it less able to hold the salt.

Question 5

Fill in the missing blank in this sentence:
Diffusion is the movement of particles as they spread from a higher _____________ to a lower concentration.

Answer 5

Concentration.

Question 6

Fill in the missing blank in this sentence:
As the solute dissolves, it will break up and spread out as it collides with the solvent. The solvent will then surround the ______. If you increase the temperature by heating a solvent it can dissolve more solute.

Answer 6

Solute.