1. S2 Revision
Acids & Alkalis
12/1/2018
Topics 8 & 9

2. pH Scale
This scale measures the level of acidity or alkalinity of a solution.
In school chemistry the scale ranges from:-
1 -> 7 -> 14
12/1/2018
Topics 8 & 9

3. pH Scale
This scale measures the level of acidity or alkalinity of a solution.
In school chemistry the scale ranges from:-
12/1/2018
Topics 8 & 9

4. Adding Acid To Water Add acid and it will turn red.
Add universal indicator to water.
It will show a green colour.
Add acid and it will turn red.
12/1/2018
Topics 8 & 9

5. Experiment – Groups of 2
Take pH paper and test the two solutions provided.
Use:
Safety glasses
Dimple tray
Pipette
Write the name colour and whether it is an acid or an alkali.
12/1/2018
Topics 8 & 9

6. 12/1/2018
Topics 8 & 9

7. Laboratory Acids hydrochloric acid nitric acid sulphuric acid
12/1/2018
Topics 8 & 9

8. Common Acids Vinegar Lemon juice Orange juice Lemonade etc…..
12/1/2018
Topics 8 & 9

9. Common Alkalis Sodium bicarbonate Ammonia Toothpaste Bleach 12/1/2018
Topics 8 & 9

10. Neutralisation
12/1/2018
Topics 8 & 9