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AQA GCSE COMBINED SCIENCE TRILOGY 8464 C 1H HIGHER TIER CHEMISTRY PAPER 1H COMPREHENSIVE EXAMINATION TEST 2026 QUESTIONS WITH ANSWERS 100% CORRECT

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AQA GCSE COMBINED SCIENCE TRILOGY 8464 C 1H HIGHER TIER CHEMISTRY PAPER 1H COMPREHENSIVE EXAMINATION TEST 2026 QUESTIONS WITH ANSWERS 100% CORRECT

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AQA GCSE COMBINED SCIENCE TRILOGY 8464 C 1H HIGHER TIER CHEMISTRY PAPER 1H COMPREHENSIVE EXAMINATION TEST 2026 QUESTIONS WITH ANSWERS 100% CORRECT

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AQA GCSE COMBINED SCIENCE TRILOGY
8464 C 1H HIGHER TIER CHEMISTRY PAPER 1H
COMPREHENSIVE EXAMINATION TEST 2026
QUESTIONS WITH ANSWERS 100% CORRECT

◉ choosing a source, filtering and sterilising the water. Answer:
potable water is produced by:

◉ desalination may be used. Answer: if fresh water supplies are
limited...

◉ removing salt from sea water. Answer: desalination involves...

◉ reverse osmosis or distillation. Answer: water can be desalinated
using...

◉ lots of energy. Answer: water desalination requires...

◉ lots of waste water. Answer: city lifestyles and industry produce...

◉ treated before it is released into the environment. Answer: waste
water needs to be...

,◉ harmful microbes and organic matter. Answer: for sewage and
agricultural waste water, you need to remove...

◉ organic matter and harmful chemicals. Answer: for industrial
waste water, you need to remove...

◉ pollute waterways. Answer: sewage needs to be treated so it
doesn't...

◉ remove large objects. Answer: treating sewage: screening and grit
removal are used to...

◉ separate sewage sludge and effluent. Answer: treating sewage:
sedimentation is used to...

◉ break down sewage sludge using micro-organisms. Answer:
treating sewage: anaerobic digestion is used to...

◉ break down effluent using micro-organisms. Answer: treating
sewage: aerobic biological treatment is used to...

◉ solid waste. Answer: sludge is...

,◉ liquid sewage. Answer: effluent is...

◉ crimson. Answer: flame tests: Li

◉ yellow. Answer: flame tests: Na

◉ lilac. Answer: flame tests: K

◉ red. Answer: flame tests: Ca

◉ green. Answer: flame tests: Ba

◉ white. Answer: silver nitrate precipitate test: Cl

◉ cream. Answer: silver nitrate precipitate test: Br

◉ yellow. Answer: silver nitrate precipitate test: I

◉ white, dissolves in excess NaOH. Answer: NaOH precipitate test: Al

◉ blue. Answer: NaOH precipitate test: Cu

, ◉ white. Answer: NaOH precipitate test: Mg

◉ white. Answer: NaOH precipitate test: Ca

◉ brown. Answer: NaOH precipitate test: Fe³⁺

◉ green. Answer: NaOH precipitate test: Fe²⁺

◉ symbol for solid. Answer: s

◉ symbol for liquid. Answer: l

◉ symbol for gas. Answer: g

◉ symbol for aqueous solution. Answer: aq

◉ the only true liquid. Answer: water

◉ formula to find mean rate of reaction (using quantity of reactant
used). Answer: RoRxn = quantity of reactant used ÷ time

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Uploaded on: April 7, 2026
Number of pages: 35
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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AQA GCSE COMBINED SCIENCE TRILOGY 8464 C 1H HIGHER TIER CHEMISTRY PAPER 1H COMPREHENSIVE EXAMINATION TEST 2026 QUESTIONS WITH ANSWERS 100% CORRECT

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