1. Carbon dioxide

2. Composition of Air

3. Making Carbon Dioxide CO2
The word equation:
calcium carbonate + hydrochloric acid calcium chloride + water + carbon dioxide
(marble chips)
The chemical equation:
CaCO HCl CaCl2 + H2O + CO2

4. Making carbon dioxide (CO2)

5. Properties of CO2
It has no colour
It has no smell
It is an acidic gas

6. Properties of CO2
It does not support combustion

7. Uses of CO2 Fizzy drinks Fire extinguishers Photosynthesis
Stage effects-dry ice in water
cause’s a ‘smoke’ effects
Fire extinguishers
Fizzy drinks
Photosynthesis

8. Properties of carbon dioxide
It does not support combustion
It is denser (heavier) than air

9. Another way to make carbon dioxide!

10. The reaction between limewater and carbon dioxide..
Word equation:
(Limewater)
Calcium Hydroxide + Carbon dioxide
Calcium carbonate + Water
Chalk / Limestone/ Marble

11. The reaction between limewater and carbon dioxide..
Chemical equation:
Ca(OH)2 + CO2 CaCO3 + H20