Water Purity Flashcards
1
Q
What does potable mean?
A
Clean enough to drink
2
Q
What are the 3 main steps to making water potable?
A
1) Sedimentation
2) filtration
3) chlorination
3
Q
What is sedimentation?
A
The water gets left for around half an hour and big parts of dirt sinks to the bottom
4
Q
What is filtration?
A
The water gets filtered through some natural sand and gravel
5
Q
What is chlorination?
A
Chlorine gets added to the filtered water to kill bacteria
6
Q
What is the purest type of water?
A
Distilled water
7
Q
What is the least purest water?
A
Sewage water and salt water (depending on the salt in it)
