Mixtures

Question 1

What is a pure substance?

Answer 1

All the particles are the same in the substance

Question 2

Define mixture?

Answer 2

Two or more types of particles

Question 3

What is a solvent

Answer 3

A liquid that is able to dissolve other substances eg:water

Question 4

what is a solute

Answer 4

The substance that the solvent dissolves eg:salt

Question 5

what is decanting?

Answer 5

A simple method of separation, where the mixture is left long enough that a sedimentation/solid is formed at the bottom or the container

Question 6

what is filtration?

Answer 6

a method using filter paper to separate a solid from a liquid

Question 7

what is magnetic separation?

Answer 7

using a powerful electromagnet suspended on a conveyer belt to separate scrap iron from non-magnetic materials

Question 8

Define solute

Answer 8

Dissolves in liquid

Question 9

Define solvent

Answer 9

Any liquid that dissolves another substance (solute)

Question 10

Give an example of a solute and substance.

Answer 10

Salt is a solute that dissolves in the solvent water