The virus survives only a short time if treated with chlorine and sunlight.

Cake flour is distinctive because it's treated with chlorine dioxide or chlorine gas.

Tea just won't taste the same if it is made with water that contains impurities or has been treated with chlorine.

Like all public water sources in Hastings, the bore that supplied Haumoana and Te Awanga had been treated with chlorine since March.

Chromic salts are oxidised to chromate by fusion with "fusion mixture" and nitre, or by treating with chlorine in an alkaline solution.