A bottle of commercial chlorine bleach

Bleach is the name for a number of chemical substances which can be used to remove colors, or to make things white. Very often, they act through oxidation. Bleaches on the base of sulfur have been in use for thousands of years. Modern bleaches are usually based on chlorine or on oxygen.

Many bleaches can kill bacteria easily. For this reason, they are often used for disinfecting or sterilisation. view more...