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Bleach shows the power of friends and that you should never give up.
WILLIAM BENTICK , Viceroy 1834
The plant Yesterday, Today and Tomorrow (Brunsfelsia pauciflora) is called a "Verbleikblom" in Afrikaans, because as it flowers, the flowers go from deep purple to white, seemingly fading or bleaching in the sun (in Afrikaans "verbleik").
It is called the ocean.
Highlighting
The procedure is also called tray bleaching or nightguard bleaching because the patient wears a tray on the teeth that protects the gums from the whitening solution.
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The procedure is also called tray bleaching or nightguard bleaching because the patient wears a tray on the teeth that protects the gums from the whitening solution.
decolorizing the hair
decolorizing the hair
Why fluorine and chlorine act as decolourizing agents? Answer : They can oxidize dyes to colorless substances. Litmus and universal indicators can be decolorized. Chlorine is used in the bleaching powder which bleaches the substances due to oxidizing capabilities of chlorine.
photoreceptor bleaching
The decolorizing agent in the acid fast stain is acid alcohol. The decolorizing agent in the gram stain is ethanol.
There are many companies now that offer the services of teeth bleaching. Some of the companies are Smiling Bright and Smile Labs. It is also extremely common now days for dentists to offer the service of teeth bleaching.
Tooth bleaching is recommended when someone has yellowish, but otherwise undamaged teeth with no particular sensitivities. The teeth should also be free of orthodontic devices such as braces.
Bleaching is done by oxidising chemicals like hypochlorite (bleaching powder) or peroxides. So it is a chemical change(called reaction): the stain is not (only) dissolved, but (rather) broken down to colorless molecules.Additions to this answer are on the discussion area.