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Oxygen
Chemistry · Chapter 11 · Theme 7: Air and Atmosphere
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- Laboratory preparation of oxygen from potassium chlorate or hydrogen peroxide with manganese dioxide
- Catalyst: manganese dioxide speeds up the reaction without being used up
- Physical properties of oxygen (colour, odour)
- Reactions of metals and non-metals (S, C, P, Na, K, Ca, Mg) with oxygen as word equations
- Respiration versus combustion; combustion versus rusting