What can be used to remove harmful substances from water?
chlorine bleach Heat energy evaporation oxygen helium Electrical energy hydrogen Calcium carbonate
A B C D E F G H
Chlorine bleach is ideal for treating water.
Chlorine bleach can be used to remove harmful substances from drinking water.
What can be used to remove harmful substances from water? (A) chlorine bleach (B) Heat energy (C) evaporation (D) oxygen (E) helium (F) Electrical energy (G) hydrogen (H) Calcium carbonate