Lesson 1 - Pure Substances, Mixtures & Solutions

Question 1

What is a pure substance?

Answer 1

A single element or compound that has not been mixed with any other substance.

Question 2

What is a mixture?

Answer 2

Two or more substances that have been mixed together but are not chemically bonded.

Question 3

What is an alloy?

Answer 3

A mixture of two or more elements, one of which is a metal.

Question 4

What is a solution?

Answer 4

The product of a solute dissolving in a solvent.

Question 5

What is a solute?

Answer 5

A substance that dissolves in a solvent.

Question 6

What is a solvent?

Answer 6

A liquid that dissolves a solvent.

Question 7

What is a soluble substance?

Answer 7

A substance that can dissolve in a solvent.

Question 8

What is an insoluble substance?

Answer 8

A substance that can not dissolve in a solvent.

Question 9

Name the properties of a mixture

Answer 9

The properties of a mixture are: easily separated, the proportions are not fixed and the properties are an average of the substance it is made from.

Question 10

What does a solute + solvent =?

Answer 10

It makes a solution.