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Break point chlorination: It may be defined as the chlorination of water to such an extent that not only living organism but also other organic impurities in water are destroyed. When chlorine is added to water, it is used for different reactions like oxidation of oxidizable substance, chlorination of organic substance, destructive oxidation of organic substances and disinfection of pathogens. Initially all the chlorine added is consumed and there is no free chlorine. This is due to complete oxidation of oxidizable substances. As the applied chlorine increases, there is steady increase in amount of residual chlorine. This stage corresponds to formation of chloro-organic compounds and chloramines when the dose of chlorine increase, destruction of chloro organic and chloramines takes place. Addition of chlorine in such dosages is known as break point or free residual chlorination. The breakpoint chlorination ensures complete destruction of organic compounds, which give colour, unpleasant odour and bad taste. In addition to it a complete destruction of disease producing micro-organisms is also ensured.
I well know about electromagnetic spectrum but I did not know the any scope of spectroscopy & I want to know about I r spectra in detail & absorption spectroscopy.
Urea or Carbamide - Carboxylic acids Urea may be referred like a diamide of an unstable and dibasic carbonic acid by which both the hydroxyl groups have been changed by -NH 2
its principle
what do you mean by the terms chromogen,auxochrome,bathochrome and hyposochrome?what role do they play in relation to colour and constitution?
De?ne Quoin and Queen closer De?ne Least count. Explain functions of the foundation
Why lanthanides shows more than 7 coordination number
It gives Meta Bromo Benzoic acid.
What are the physical propeties of S block ?
The ratio among the radius of cation and the radius of anion is known as Limiting radius.
Electrolytes are compound containing: (1) Electrovalent bond (2) Covalent bond (3) Coordinate bond (4) Hydrogen bond Ans: Electrovalent bond
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