All humans rely on safe drinking water. Salt can be removed from sea water to make it safe to drink. Waste water must be treated before being released into the environment.
What term is used to describe water that is safe for humans to drink?
Which of the following could be harmful for humans if consumed in drinking water?
Which solute is present in the highest quantity in sea water?
Which of the following substances is removed by filtration?
What is the name of the process that kills microbes during water purification?
Which of the following is not a method used to kill microbes during water purification in the UK?
Which process is used to make drinking water from sea water?
Which process uses high pressure and a porous membrane to purify water?
Which of these is most likely to be a pollutant in agricultural waste water?
What is the name of the process used to purify water which involves boiling the water and then cooling it to condense the vapour?