Waste Water Treatment (OCR GCSE Chemistry A (Gateway Science Suite)): 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 & high nitrogen levels
How does human waste impact aquatic ecosystems?
How does human waste impact aquatic ecosystems?
Depletes oxygen & promotes algae growth
What harmful substances are found in industrial wastewater?
What harmful substances are found in industrial wastewater?
Toxic metal compounds
What does agricultural wastewater contain?
What does agricultural wastewater contain?
Fertilisers & pesticides
What problem do fertilisers from farms cause in water?
What problem do fertilisers from farms cause in water?
Algal blooms
What is the purpose of coarse filtration?
What is the purpose of coarse filtration?
Remove large particles & debris
What is sewage sludge?
What is sewage sludge?
Solid waste settling at the bottom
What materials are used in fine filtration?
What materials are used in fine filtration?
Layers of sand & gravel
What is produced during anaerobic digestion?
What is produced during anaerobic digestion?
Biogas as renewable energy
What do aerobic bacteria do during effluent treatment?
What do aerobic bacteria do during effluent treatment?
Break down remaining organic matter
Why is chlorine added to water during treatment?
Why is chlorine added to water during treatment?
Kill bacteria & make water safe to drink
Why is wastewater treatment important for sustainability?
Why is wastewater treatment important for sustainability?
Manages water resources in scarce areas