Chemistry of the environment
55 past-paper questions on Chemistry of the environment · examined 2023–2025.
20258 questions
Four substances, or groups of substances, found in water from a natural source are listed. Which substances found in water from a natural source can be beneficial to aquatic life?
Which element is used to remove tastes and odours in the treatment of the domestic water supply?
NPK fertilisers are mixtures of salts used to improve plant growth. Which salt could be used as a component of an NPK fertiliser?
Plants produce glucose by photosynthesis. What is essential for this process?
Water is added separately to anhydrous copper(II) sulfate and to anhydrous cobalt(II) chloride. Which row shows the colour changes?
Gases which cause acid rain form in car engines. These gases can be removed using a catalytic converter. Which equation represents the removal of one of these gases using a catalytic converter?
Which statements about carbon dioxide are correct?
Name two ions from Table 3.1 which lead to deoxygenation of water and damage to aquatic life.
You're viewing 8 of 55 questions
Free members see the first 8. Join Learning DEN Pro to unlock all 55 questions on this chapter — plus AI topical search, downloadable topical PDF packs, and examiner marking on any answer. From $9/month.
Don't just read the solution — get your own answer marked
Write your answer to any Chemistry past-paper question, photograph it, and Learning DEN marks it like a real examiner — marks awarded, where you lost them, and your predicted grade. 3 free gradings to start.