CC2e

Question 1

what is producing pure water from the sea called

Answer 1

desalination

Question 2

what water should be used for chemical analysis

Answer 2

water with no dissolved salts
tap water contains small amounts of dissolved salts which may react to form unexpected cloudy precipitates

Question 3

name the steps for making fresh water

Answer 3

1. the water goes through the sedimentation tank where small particles settle down to the bottom of the tank
2. filtration tower where the water is filtered using sand and gravel
3. chlorination, then chlorine is added to kill bacteria