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Q. Name the various steps required for making water suitable for domestic use.
Ans. Treatment process for domestic use
S. No.
Process use for treatment
Impurities removed
1.
screening
Floating materials like sand, clay etc.
2.
Sedimentation with coagulation
Fine suspended inorganic matter
3.
Filtration
Colloidal impurities and larger organisms
4.
Disinfection
Pathogenic bacteria
5.
sedimentation
Suspended impurities like sand, clay etc.
The frequency of one of the lines in Paschen series of hydrogen atom is2.340x10 11 Hz. The quantum number n 2 which produces this transition is: (1) 6 (2) 5
example of two component with different composition
ABAOUT ANY MAGNATIC CALCULATION OF TRANSAYION ELEMENT.
what is meant by abnormal molecular mass ?
Optical rotation (optical activity) is the turning of the plane of linearly polarized light about the direction of motion as the light travels by certain materials. It happens in s
(a) Given the values below, Determine the concentration of benzoyl peroxide needed to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymeris
Physical properties of Dihydric alcohols (a) Dihydric alcohols is a colourless, syrupy liquid and sweet in taste. Its boiling point is 197°C. (b) Dihydric alcohols is misci
Explain in words why hydroboration leads to anti-Markovnikov addition of hydrogen whereas most electrophilic addtions to alkenes result in Markovnikov addition.
Phenol (Carbolic acid), C 6 H 5 OH or Hydroxy benzene It was observed by Runge in the middle oil fraction of coal-tar distillation and termed it 'carbolic acid' (carbo = coal, o
what do you mean by homologous series .
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