C10-Potable water

Question 1

Define potable water

Answer 1

Water safe to drink

Question 2

How is potable water in the UK(3 steps)

Answer 2

• Find a cheap source(freshwater).
• Filter out using a filter be to get rid of small objects like twigs, rock.
• Use (Ozone, UV and chlorine) o sterilise bacteria.

Question 3

2 types of ways to filter water

Answer 3

Reverse osmosis, desalinisation by distillation

Question 4

What is reverse osmosis

Answer 4

Using a membrane to filter water

Question 5

What is desalinisation by distillation(3 steps)

Answer 5

• Heat until it boils at 100 degrees and turns into vapour.
• Condensing tube cools it down
• Condenses back into a liquid and becomes pure