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0620-IGCSE-CHEMISTRY
PAPER-4-TOPIC WISE-SOLVED PAST PAPERS / PAPER-4-SOLVED-AIR AND WATER
- 11.1-Determining the percentage of oxygen in air.pdf
- 11.2-Carbondioxide and methane.pdf
- 11.3-Fossil fuels.pdf
- 11.4.1-Habers Process.pdf
- 11.4.2-Habers process.pdf
- 11.4.3-Habers process.pdf
- 11.4.4-Habers process.pdf
- 11.4.5-Habers process.pdf
- 11.5.1-Nitrogen and fertilisers.pdf
- 11.5.2-Nitrogen and fertilisers.pdf
- 11.5.3-Nitrogen and fertilisers.pdf
- 11.5.4-Nitrogen and fertilisers.pdf
- 11.5.5-Nitrogen and fertilisers.pdf
- 11.6-Formation of oxides of nitrogen.pdf
- 11.7-Components of air and air pollutants.pdf
- 11.8.1-Air pollutants.pdf
- 11.8.2-Air pollutants.pdf
- 11.9.1-Rust formation-tail.pdf
- 11.9.2-Rust prevention.pdf
- 11.9.3-Rust formation.pdf
- 11.10-Rusting-Cause and Prevention.pdf
- 11.11-Sacrificial protection.pdf
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