Lesson 5.10.1.2
5.10.1.2 Potable water Quiz: AQA Combined Science, Unit 17
20 questions
In partnership with Revision Ninja
Lesson 5.10.1.2, Potable water: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 17: Using resources, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What term describes water that is safe for humans to drink?
- Pure water
- Ground water
- Deionised water
- Potable water
-
Why is potable water not chemically pure?
- Toxic metals
- Dissolved substances
- Suspended dust
- Added bacteria
-
What is the main source of most potable water in the UK?
- Borehole brine
- Desalinated ice
- Sea water
- Rainwater
-
Which sterilising agent is named for potable water?
- Sodium chloride
- Nitrogen gas
- Carbon dioxide
- Chlorine
-
Which process uses evaporation and condensation to remove salts from water?
- Anaerobic digestion
- Distillation
- Sedimentation
- Screening
-
Which membrane-based process can desalinate water?
- Sedimentation
- Reverse osmosis
- Electrolysis of copper
- Filter beds
-
Which process is used to remove solids during UK fresh water treatment?
- Reverse osmosis
- Electrolysis
- Distillation
- Filter beds
-
Which levels must be sufficiently low in drinking water?
- Hydrogen and helium
- Oxygen and nitrogen
- Carbon and sulfur
- Salts and microbes
-
A lake is filtered and then chlorinated. Which step is the sterilising step?
- Collecting rainwater
- Choosing the source
- Chlorinating
- Filtering
-
Which method is used when fresh water supplies are extremely limited?
- Chlorination
- Desalination
- Sedimentation
- Filtration
-
What major operational requirement do desalination processes share?
- High pressure
- Solar power
- High energy
- Low temperature
-
What is the primary treatment method needed for salty sea water?
- Filter beds
- Biological digestion
- Screening
- Desalination
-
What property of water samples is measured in required practical 13?
- Dissolved solids
- Surface tension
- Refractive index
- Viscosity
-
What is the purpose of distillation in water purification?
- Adding fluoride
- Killing bacteria
- Removing oxygen
- Separating pure water
-
What is the main purpose of sterilising potable water?
- To add minerals
- To remove salts
- To improve taste
- To kill microbes
-
Which chemical is commonly used to sterilise drinking water?
- Sodium chloride
- Chlorine
- Copper sulfate
- Calcium carbonate
-
How do ozone and UV light make water safe to drink?
- They kill microbes
- They precipitate salts
- They filter solids
- They adjust pH
-
Which two phase changes occur during distillation desalination?
- Melting and freezing
- Evaporation and condensation
- Dissolving and filtering
- Sublimation and deposition
-
Why is desalination considered an expensive method for water production?
- Toxic waste disposal
- High energy use
- Rare catalysts needed
- Short equipment lifespan
-
What determines the specific water treatment method used in a region?
- Soil acidity
- Total population
- Government policy
- Available supplies
Related quizzes
- Eukaryotes and prokaryotes Quiz · 4.1.1.1 · 20 questions
- Principles of organisation Quiz · 4.2.1 · 20 questions
- Communicable (infectious) diseases Quiz · 4.3.1.1 · 20 questions
- Photosynthetic reaction Quiz · 4.4.1.1 · 20 questions
- Homeostasis Quiz · 4.5.1 · 20 questions
- Sexual and asexual reproduction Quiz · 4.6.1.1 · 20 questions
- Communities Quiz · 4.7.1.1 · 20 questions
- Atoms, elements and compounds Quiz · 5.1.1.1 · 20 questions
- Animal and plant cells Quiz · 4.1.1.2 · 20 questions
- The human digestive system Quiz · 4.2.2.1 · 20 questions