In densely populated coastal areas, reactions of polluted air with sea salt aerosol from the ocean can lead to high surface ozone levels that affect air quality. Chlorine has become infamous for ...

But while you’re floating, diving or doing your best backstroke, the chlorine or salt water you’re swimming in can wreak havoc on your hair. So, how do you protect your natural or colour ...

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 ...