Chemistry and Suitability

• Give two examples of a renewable resources

  fresh water and food
• Suggest one way in which chemistry of the atmosphere is improving sustainability:

  The use of renewable energy sources to produce chemicals
• State two methods that can be used to extract copper from low grade ores

  Bioleaching - bacteria converts copper compounds into soluble copper compounds

  Phytomining - growing plants in soil that contains copper
• Other than recycling, how can glass bottles be used in a suitable way?


  Reused without reshaping
• What do life cycle assessments do?

  Analyse environmental impacts and costs
• Give one problem of life cycle assessments:

  It is difficult to compare products from different countries as the environmental impacts of production and use may vary