GAS % IN ATMOSPHERE
Nitrogen 78%
Oxygen 21%
Argon 0.9%
Carbon dioxide 0.03%
Tuesday, October 7, 2008
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chemistry notes / igcse-gcse- Olevel
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- POLYMERS- NOTES
- periodic table - groups -notes
- analysis - NOTES/ flame test
- PURIFICATION AND USES OF COPPER
- electrolysis of sodium chloride
- electrolysis of lead bromide-notes
- oxidation and reduction- notes
- electrolysis- notes
- summary non metals- notes
- Experiment to show the % of oxygen in air- notes
- Composition of gases in air - notes
- preparation of hydrogen- notes
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- ammomium salts- notes
- ammonia-notes/IGCSE /GCSE -CHEMISTRY
- test for carbondioxide- notes
- properties and uses of carbondioxide - notes/IGCSE...
- preparation of carbondioxide- notes/IGCSE /GCSE/CH...
- formation of oxides- Notes
- reactions of copper- notes/ IGCSE / GCSE
- reactions of iron-igcse /gcse notes
- atomic structure - work sheet
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