Water treatment (Edexcel GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does human waste in wastewater contain?
What does human waste in wastewater contain?
Harmful bacteria and nitrogen compounds
How does human waste impact aquatic ecosystems?
How does human waste impact aquatic ecosystems?
Depletes oxygen and promotes algae growth
What harmful substances are found in industrial wastewater?
What harmful substances are found in industrial wastewater?
Harmful chemicals and toxic metal compounds
What problems does agricultural wastewater cause?
What problems does agricultural wastewater cause?
Algal blooms and loss of biodiversity
What is the purpose of the coarse filter?
What is the purpose of the coarse filter?
Remove large particles and debris
What does sedimentation produce?
What does sedimentation produce?
Sewage sludge and effluent
What is sewage sludge?
What is sewage sludge?
Solid waste settling at the bottom
What is effluent?
What is effluent?
Liquid remaining with dissolved pollutants
What materials are used in fine filtration?
What materials are used in fine filtration?
Layers of sand and gravel
What does anaerobic digestion of sewage sludge produce?
What does anaerobic digestion of sewage sludge produce?
Biogas for renewable energy
What type of bacteria are used in aerobic treatment?
What type of bacteria are used in aerobic treatment?
Bacteria that require oxygen
Why is chlorine added during water treatment?
Why is chlorine added during water treatment?
Kill bacteria and make water safe to drink