1. Simple Chemical Reactions
Name ___________________

2. Testing for hydrogen Hydrogen makes a ___________ splint go _______.
“POP”
Hydrogen makes a ___________ splint go _______.

3. Testing for carbon dioxide
Carbon dioxide Gas
Limewater
Carbon dixoide makes ___________ go __________

4. Burning things Fire When something is burned it reacts with _________.
For example:
Magnesium + _______ Magnesium oxide
Carbon + _______ Carbon dioxide
Sulphur + _______ Sulphur dioxide
The Fire Triangle
A fire needs three things to keep burning:
__________
Fire
Fuel
Oxygen
Heat

5. Fuels
Fuels are substances that burn to release heat
e.g.
Wood
Gas
Oil

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

7. Products of burning fossil fuels
When fossil fuels burn ________ _________ and ________ are made.
We can test the carbon dioxide because it turns _________ _________.
We can test the water because it freezes at _______ ºC and boils at ______ ºC .

8. Words – gold, hydrogen, bubble, copper, used up
Adding acids to metals
Some metals react with acids to produce ________ gas. The gas will make the mixture _______ and the metal will eventually be _______ _____.
Some metals, like _______ and _______, are so unreactive that nothing will happen.
Words – gold, hydrogen, bubble, copper, used up

9. Adding acid to carbonates
Carbonates are compounds that react with acids to make _________ __________ gas. This makes the mixture _________. When all of the carbonate is used up the _________ will stop.
Limewater goes cloudy
Carbonates used to be used as building materials but aren’t any more because acid rain would eventually ________ the building.
Words – dissolve, bubble, carbon dioxide, bubbles