Matching Quiz

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Physical properties of oxygen
Physical properties of carbon dioxide
Chemical properties of oxygen
Chemical properties of carbon dioxide
Uses of oxygen
Uses of carbon dioxide
Colourless, odourless, tasteless
Denser than air, sparingly soluble in water
Supports combustion, reacts with metals to form basic oxides
Does not support combustion, turns limewater milky white
Welding and breathing apparatus
Fire extinguishers, refrigeration and stage effects