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A bleaching agent is any compound that bleaches the colour out of fabrics, paper, or other materials. Household bleach or sodium hypochlorite is used in the home for whiten ing clothes, removing stains, and disinfecting. This is because sodium hypochlorite yields chlorine radicals, oxidizing agents readily reacting with many substances.
Hair bleach on the other hand contains H2O2 ( hydrogen peroxide), which gives off oxygen radicals as it decomposes. Oxygen and chlorine radicals both have comparable, and excessive bleaching effects.
Disadvantages of chlorine
A problem with chlorine is that it reacts with organic material to trihalomethane s like chloroform, which is a well known carcinogen.
Chlorine is a respiratory irritant. It also attacks mucus membrane s and burns the skin. As little as 3.5 ppm can be detected as an odor, and 1000 ppm is likely to be fatal after a few deep breaths. Sadly, chlorine was used in mustard gas as a weapon in 1915Events January 12 The Rocky Mountain National Park is established by an act of Congress. January 12 United States House of Representatives rejects proposal to give women the right to vote. January 13 An earthquake (6. 8 in Richter scale) in Avezzano, Ital. Exposure to chlorine should not exceed 0.5 ppm (8-hour time-weighted average - 40 hour week.)
Chlorine from typical CFCmolecules CFC s chlorofluorocarbons are a family of artificial chemical compounds containing chlorine, fluorine and carbon. They were formerly used widely in industry, for example as refrigerants, propellants and cleaning solvents. Their use has been genes like trichloroflouromethane , which is stable, but reaches the ozone layerThe ozone layer is that part of the Earth's stratosphere which contains ozone. The total quantity of ozone in the ozone layer is not very large; if just the ozone were compressed to the pressure of the air at sea level, it would be only a few millimeters, is one of the two radicals formed there: the highly reactive chlorine atom, much more than the dichloromethyl radical, initiates the dreaded step in the ozone degradation chain reaction.
