water Flashcards
1
Q
natural water
A
- insoluble impurities such as mud and the remains of plants
- soluble impurities such as minerals
- biological impurities- microorganisms such as small fresh water creatures; bacteria
2
Q
pure water
A
- desalination- a method for removing salt from sea water
- distillation - this produces pure water
3
Q
water filter
A
- carbon- reduces levels of chlorine and dissolved chemicals
- silver nano particles- prevents growth of bacteria
- ion exchange resin - removes ions such as magnesium and calcium
4
Q
water
A
- you can test for water by using cobalt chloride paper (blue to pink)
