| 0620-IGCSE-CHEMISTRY
PAPER-4-TOPIC-WISE PAST PAPERS / AIR AND WATER
  • 11.0-Composition of pure air-Set-1-qp-ms.pdf
  • 11.1-Air pollutants-Set-1-qp-ms.pdf
  • 11.1-Air pollutants-Set-2-qp-ms.pdf
  • 11.1-Air pollutants-Set-3-qp-ms.pdf
  • 11.1-Air pollutants-Set-4-qp-ms.pdf
  • 11.2-Carbonmonoxide-Methane-Set-1-qp-ms.pdf
  • 11.3-Catalytic convertors-Set-1-qp-ms.pdf
  • 11.3-Catalytic convertors-Set-2-qp-ms.pdf
  • 11.4-Water-uses and tests-Set-1-qp-ms.pdf
  • 11.6-Chemical test for water-Set-1-qp-ms.pdf
  • 11.7-Soil acidity-Set-1-qp-ms.pdf
  • 11.8-Rusting-Set-1-qp-ms.pdf
  • 11.8-Rusting-Set-2-qp-ms.pdf
  • 11.8-Rusting-Set-3-qp-ms.pdf
  • 11.9-Acid rain-Set-1-qp-ms.pdf
  • 11.10-Carbon cycle-Set-1-qp-ms.pdf
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