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HomeAQA GCSE ChemistryUsing resources: waste water treatment
AQA · GCSE · Chemistry

Using resources: waste water treatment
Practice Questions

40 AQA GCSE Chemistry questions on Using resources: waste water treatment, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Using resources: waste water treatment.

Try 2 sample questions on Using resources: waste water treatment

Question 1 · 1 mark · Difficulty 1/3

What name is given to the liquid drawn off from above the settled solids in a sedimentation tank?

  1. Effluent
  2. Slag
  3. Sludge
  4. Slurry
Show answer & explanation
✓ Answer: AEffluent
Award 1 mark. Sedimentation splits the sewage into the settled sludge below and the liquid effluent above, and each is then treated in its own way.
Question 2 · 1 mark · Difficulty 1/3

Sewage sludge is broken down by microorganisms in the absence of air. What is this process called?

  1. Distillation
  2. Anaerobic digestion
  3. Aerobic digestion
  4. Filtration
Show answer & explanation
✓ Answer: BAnaerobic digestion
Award 1 mark. Anaerobic means without oxygen, and the bacteria used in sealed sludge digesters work in those conditions. Aerobic digestion is the air-blown treatment given to the effluent instead.
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AQA GCSE Chemistry: Using resources: waste water treatment FAQ

Is Kramizo free for AQA GCSE students preparing for Chemistry?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Using resources: waste water treatment practice with other Chemistry topics or even switch to a totally different AQA subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Using resources: waste water treatment questions aligned to the official AQA GCSE Chemistry syllabus?
Every question is written against the published AQA GCSE Chemistry specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real AQA paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from AQA.
How is Using resources: waste water treatment typically tested on AQA GCSE Chemistry papers?
Using resources: waste water treatment appears across multiple question types on real AQA GCSE Chemistry papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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