Particles And Seperating Mixtures Flashcards Preview

GCSE Chemisty*** > Particles And Seperating Mixtures > Flashcards

Flashcards in Particles And Seperating Mixtures Deck (11):
1

What is an element

It consists of only one type of atom

2

What is a compound

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

3

What is a mixture

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

4

What is filtration used to separate

Insouble solids

5

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

Drying oven or desiccator

6

Why do you need to put a lid on during chromatography

So the solvent doesn’t evaporate

7

What are the end pattern of spots called

Chromatogram

8

Why do you use a pencil

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

9

What is simple distillation used to separate

Solutions

10

What is a negative of simple distillation

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

11

What is fractional distillation used to separate

A mixture of liquids