Common Atmospheric Pollutants

• What is an alloy?

  Mixture of metals
• Suggest a suitable electrolyte for the electrolysis.

  copper sulfate
• Describe how copper compounds are extracted by phytomining

  Absorbed by plants which are burned. The ash has copper compounds
• Explain, in terms of its structure and bonding, why sulfur dioxide has a low boiling point

  Weak forces between the molecules which take little energy to overcome