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Chemistry 0620

10. Chemistry of the environment

Water treatment and testing, fertilisers, and air quality and climate.

  1. 10.1

    Water

    Testing for water, water treatment, and the uses of water in industry and the home.

    Full lesson1 questions3 cards
    • 10.1.1Describe chemical tests for the presence of water and for its purity.
    • 10.1.2Describe the treatment of the domestic water supply.
  2. 10.2

    Fertilisers

    NPK fertilisers and the elements plants need.

    Full lesson1 questions3 cards
    • 10.2.1State the elements supplied by NPK fertilisers and why plants need them.
  3. 10.3

    Air quality and climate

    Composition of clean air, sources and effects of pollutants, catalytic converters and climate change.

    Full lesson1 questions5 cards
    • 10.3.1State the composition of clean dry air and identify common atmospheric pollutants and their sources.
    • 10.3.2Describe the adverse effects of pollutants and strategies for reducing them.