Potable Water (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
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Practise the questions
14 questions from this quiz
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Practise the questions
14 questions from this quiz
What is potable water?
What is potable water?
Water safe to drink
What measure is used in the UK when water reserves run low in summer?
What measure is used in the UK when water reserves run low in summer?
Hosepipe bans
What level of dissolved substances does fresh water from rain contain?
What level of dissolved substances does fresh water from rain contain?
Low levels
What is removed during the filtration stage of potable water production?
What is removed during the filtration stage of potable water production?
Insoluble particles
Which method is NOT used to sterilise water in the UK?
Which method is NOT used to sterilise water in the UK?
Boiling
When is desalination used to produce potable water?
When is desalination used to produce potable water?
Where freshwater is scarce
What does distillation of seawater involve?
What does distillation of seawater involve?
Boiling seawater
Why is desalination less viable in many parts of the world?
Why is desalination less viable in many parts of the world?
Energy-intensive and costly
Where do desalination plants need to be located?
Where do desalination plants need to be located?
Near the sea
What is fluoridation?
What is fluoridation?
Adding fluoride to water supply
What is the main benefit of fluoride in water?
What is the main benefit of fluoride in water?
Prevents tooth decay
When was the first UK water fluoridation scheme established in Birmingham?
When was the first UK water fluoridation scheme established in Birmingham?
1964
Who decides whether to add fluoride to the water supply?
Who decides whether to add fluoride to the water supply?
Individual local authorities
Why do some people argue against fluoridation?
Why do some people argue against fluoridation?
It's 'mass medication'