This memory aid covers Memory Aids within Water Treatment for GCSE Chemistry. Revise Water Treatment in Using Resources for GCSE Chemistry with 20 exam-style questions and 15 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 10 of 13 in this topic. Use it for quick recall, then test yourself straight afterwards so the memory aid becomes usable in an answer.
Topic position
Section 10 of 13
Practice
20 questions
Recall
15 flashcards
🧠 Memory Aids
SSFC — The 4 stages of drinking water treatment:
S.S.F.C. = "Some Students Find Chemistry (easy!)"
- Screening — removes large debris with grids
- Sedimentation — particles settle under gravity
- Filtration — sand and gravel remove smaller particles
- Chlorination — kills remaining microorganisms
For sewage treatment, remember P-B-C (Physical, Biological, Chemical):
- Primary = Physical (screening + settling tanks)
- Biological = Bacteria break down organic matter
- Chemical/Tertiary = Chemical disinfection (Higher Tier)
Potable vs Pure: "POTable water is POTentially drinkable but not necessarily pure."