Chem - Water Treatment And Recycling Flashcards
1
Q
What is potable water?
A
Water that is safe to drink - contains dissolved substances such as salt and microbes
2
Q
How is potable water produced?
A
- Choosing an appropriate source of fresh water
- Passing water through filter beds
- Sterilising
3
Q
What sterilising agents are used for potable water?
A
Chlorine or ultraviolet light
4
Q
What is desalination?
A
The process of turning salty water into fresh water
5
Q
What is a disadvantage to desalination
A
It requires large amounts of energy
6
Q
What is the difference between potable and pure water?
A
Potable means safe to drink however it is not pure as it has dissolved substances
7
Q
How can desalination work?
A
Through reverse osmosis
8
Q
How to reduce the use of resources
A
Recycling plastics, reusing glass bottles and recycling metals
