AQA GCSE unit 3 Chemistry - Water

AQA GCSE Chemistry - Revision for the third topic of unit 3, water

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  • Created by: Leslie
  • Created on: 16-05-12 14:37
How does the water cycle produce fresh water?
When the water evapourates water vapour is seperated from salts and ions
1 of 15
Where is dissolved oxygen found?
In water
2 of 15
When water hits rocks some ________ _________ are dissolved
Ionic compounds
3 of 15
What are the two main processes of the water cycle?
Evapouration and condensation
4 of 15
The solubility of gases _________ as temperature increases
Decreases
5 of 15
The solubility of gases __________ as temperature decreases
Increases
6 of 15
The solubility of gases ____________ as pressure increases
Increases
7 of 15
The solubility of gases ____________ as pressure decreases
Decreases
8 of 15
Calcium is good for our health, why?
Stronger teeth and bones
9 of 15
Scum is formed when...
Soap enters water
10 of 15
Washing soda can remove hardness from water, what does it contain?
Sodium carbonate
11 of 15
What else is added to water to kill microorganisms?
Chlorine
12 of 15
Why should drinking water contain as little harmful substances as possible?
So it's safe to drink
13 of 15
What PH must drinking water be?
Neutral
14 of 15
What is de-ionisation?
The romoval of ions from water
15 of 15

Other cards in this set

Card 2

Front

Where is dissolved oxygen found?

Back

In water

Card 3

Front

When water hits rocks some ________ _________ are dissolved

Back

Preview of the front of card 3

Card 4

Front

What are the two main processes of the water cycle?

Back

Preview of the front of card 4

Card 5

Front

The solubility of gases _________ as temperature increases

Back

Preview of the front of card 5
View more cards

Comments

CessieJakes

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Check 11, scum is formed in hard water. Really good though!

Cameron

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*evaporation, but good quiz.

zain

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some of the answers are messed up js

Né M

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answer for qu11 is wrong..

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