write about the bleaching powder.
Answers
BLEACHING POWER :
A white powder that decomposes on contact with water and has the characteristic odor of gaseous chlorine: regarded, when dry, as a mixed calcium hypochlorite-chloride, used as a commercial bleach for wood pulp, textiles, oils, and soaps, and in laundering as a decolorizer and disinfectant.
Origin of bleaching powder :
First recorded in 1850–55
Also called chloride of lime, chlorinated lime, calcium oxychloride.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018 .
Examples from the Web for bleaching powder :
Historical Examples of bleaching powder
The important element in bleaching-powder is the chlorine which it contains.
Electricity and Magnetism
Elisha Gray
The second modification of bleaching-powder is designated "puratylene," and contains calcium chloride and quick or slaked lime.
Acetylene, The Principles Of Its Generation And Use
F. H. Leeds
As a special acetylene purifier, bleaching-powder exists in at least two chief modifications.
Acetylene, The Principles Of Its Generation And Use
F. H. Leeds
A solution of bleaching-powder gives with solution of the sulphate a purple colour changing to red-brown.
Aids to Forensic Medicine and Toxicology
W. G. Aitchison Robertson
Arsenic is insoluble in the acid, but immediately dissolves in the bleaching-powder.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 Various
bleaching powder :
a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H 2 O. It is used in solution as a bleaching agent and disinfectant Also called: chloride of lime , chlorinated lime
Formula: Ca(ClO)2
IUPAC ID: Calcium hypochlorite
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