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bleaching powder |
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bleaching powder, white or nearly white powder that is usually a mixture of calcium chloride hypochlorite, CaCl(OCl); calcium hypochlorite, Ca(OCl)2; and calcium chloride, CaCl2. Sometimes called chloride of lime, it can be prepared by reacting calcium hydroxide or slaked lime, Ca(OH)2, with chlorine gas, Cl2. It is used as a strong bleaching agent, as a disinfectant, and in making Javelle water Javelle water or Javel water (both: zhəvĕl`), Fr. ..... Click the link for more information. . Bleaching powder was first produced in 1799 by Charles Tennant in Glasgow, Scotland. bleaching powder a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H2O. It is used in solution as a bleaching agent and disinfectant |
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| He ordered students to wash their hands with chlorinated lime before examining patients; as a result, the maternal death rate was reduced from 12% to 1% in 2 years. |
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