10 Chemistry of the environment

Practice questions on Chemistry of the environment

• State two pollutant gases produced when petrol burns incompletely in a car engine, and for… (4 marks, State)
• A farmer wants to use ammonium sulfate as a fertiliser on a field of wheat. State what typ… (4 marks, Explain)
• Describe how the combustion of fossil fuels in vehicles contributes to the greenhouse effe… (4 marks, Describe)
• A farmer grows the same crop in the same field every year without adding fertilisers. Afte… (4 marks, Explain)
• Explain why ammonium nitrate is considered a suitable fertiliser for crops. (4 marks, Explain)
• State two signs that a sample of water is not pure, and for each sign, identify the dissol… (4 marks, State)
• Explain why the presence of nitrates in drinking water is considered harmful to human heal… (4 marks, Explain)
• Acid rain is formed when sulfur dioxide dissolves in rainwater. State the source of sulfur… (4 marks, State and Describe)
• Describe how drinking water is made safe for human consumption from a source such as a riv… (4 marks, Describe)
• Explain why water is described as a 'universal solvent' and state one problem that arises … (4 marks, Explain)
• Describe the processes used in the treatment of sewage to produce water that is safe to re… (4 marks, Describe)
• Explain why farmers add fertilisers to soil and describe two nutrients commonly found in f… (4 marks, Explain)
• Describe how the overuse of fertilisers on farmland can harm aquatic ecosystems. Include i… (4 marks, Describe)
• Explain why scientists are concerned about the increasing concentration of carbon dioxide … (4 marks, Explain)
• Describe the role of methane as a greenhouse gas and explain how the increasing amount of … (4 marks, Describe and Explain)