A free chlorine level of 0.5 milligrams per litre is enough to maintain the quality of water through piped distribution networks, but insufficient to maintain the quality of the water stored in a ...

Chlorine is what you might describe as a Jekyll and Hyde element; it is the friend of the synthetic chemist and has found a use in a number of 'nice' applications such as the disinfecting of drinking ...

A small piece of sodium metal is placed in a flask of chlorine gas. A little water helps expose the sodium so it can react with the chlorine gas. The reaction releases a lot of heat as the ionic ...