Assertion: calcium hypochlorite's chlorine | /r/AtLocation | water
Facets:
value: in one of three forms
type: OTHER
Source sentences:
text: When chlorine is added to water, there must be enough chlorine to satisfy the demand and also to leave a small amount of chlorine residual to kill the germs left in the water and help prevent re-contamination.
text: When disinfecting household drinking water the one per cent chlorine is added to the water and left for 20 minutes to allow sufficient contact time for the chlorine to work.
text: Chlorine forms hydrochloric acid when added to water which causes chemical reactions which deactivate contaminants and reacts through oxidization with micro-organisms, organic matter, manganese, iron and hydrogen sulphide.
text: Three things can happen when chlorine is added to water:
text: Chlorine is added to water in one of three forms: elemental chlorine (chlorine gas), sodium hypochlorite solution or calcium hypochlorite powder (high-test hypochlorite).
text: After chlorine is added to water, it breaks down into many different chemicals, including hypochlorous acid (HOCl) and the hypochlorite ion (OCl-).