Particles And Seperating Mixtures

Question 1

What is an element

Answer 1

It consists of only one type of atom

Question 2

What is a compound

Answer 2

A substance that is made up of two or more elements chemically bonded together

Question 3

What is a mixture

Answer 3

A substance made up of two or more elements that are NOT chemically bonded

Question 4

What is filtration used to separate

Answer 4

Insouble solids

Question 5

After leaving to dry where do you place the crystals to dry more

Answer 5

Drying oven or desiccator

Question 6

Why do you need to put a lid on during chromatography

Answer 6

So the solvent doesn’t evaporate

Question 7

What are the end pattern of spots called

Answer 7

Chromatogram

Question 8

Why do you use a pencil

Answer 8

As they are insouble and won’t react with the solvent

Question 9

What is simple distillation used to separate

Answer 9

Solutions

Question 10

What is a negative of simple distillation

Answer 10

You can only use it to separate things with very different boiling points

Question 11

What is fractional distillation used to separate

Answer 11

A mixture of liquids