1. Simple Chemical Reactions
09/11/2018
Simple Chemical Reactions
W Richards
Worthing High School

2. Lesson Objective- to know the test for Hydrogen
09/11/2018
Lesson Objective- to know the test for Hydrogen
splint
splint
Test tube
“POP”
Squeaky pop
lit
If you put a ___ splint into H_______ gas you get a ______ ____ sound.

3. Words – gold, corroded, fizzes, disappear
Adding acids to metals
09/11/2018
If an acid is added to a (fairly reactive) metal the metal will be quickly ________ by the acid. We can see a reaction happening because the mixture _________ and the metal eventually __________.
Some metals, like ____, are so unreactive that nothing will happen.
Words – gold, corroded, fizzes, disappear

4. Testing for carbon dioxide
09/11/2018
Gas
Limewater
Limewater turns milky/cloudy

5. Adding acid to carbonates
09/11/2018
Carbonates are compounds containing carbon and oxygen. When an acid is added to a carbonate the carbonate starts to _______. A gas called ______ _______ is produced.
Carbonates used to be used as building materials but aren’t any more because acid rain would eventually ________ the building.
Words – dissolve, fizz, carbon dioxide, oxygen

6. Burning things
09/11/2018
When something is burned it reacts with oxygen. For example:
Magnesium + oxygen Magnesium oxide
Carbon + oxygen Carbon dioxide
Sulphur + oxygen Sulphur dioxide
Fire
The Fire Triangle
Oxygen
Fuel
Heat

7. Lesson Objective - to know what Fuels are.
09/11/2018
Fuels are substances that can be used to release useful amounts of energy they burn, e.g.
Wood
Gas
Oil
They burn using _____ and produce ____ _____ and water
Carbon dioxide
Oxygen

8. Methane + oxygen Carbon dioxide + water
Burning fuels
09/11/2018
When fossil fuels (coal, oil and gas) are burned they produce water and carbon dioxide. We can use this apparatus to show this:
In this example the reaction is:
Methane + oxygen Carbon dioxide + water