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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 value of the energy for the first excited state of hydrogen atom will be: (1) - 13.6 ev (2)- 3.40 eV (3) -1.51eV
Q. Conduct a descriptive analysis of bread? To sensory evaluate the slice of white bread on the basis of appearance, taste, texture and flavour. • judge the product quality
all explanation
Uses of Acetic Acid - Carboxylic acids (a) Acetic Acid is used as a solvent and a laboratory reagent. (b) Acetic Acid is used as vinegar for table purpose and for manufactur
The four quantum numbers of the valence electron of potassium are : (1) 4, 1, 0 and 1/2 (2) 4, 0, 1 and 1/2 (3) 4, 0, 0 and +1/2 (4) 4, 1, 1 and 1/
In the following reactions , identify each lettered (A,B,C,D,E,F)product.
How can we calculate the rate of effusion of nitrogen gas from a cylinder and How much time it will take?? Ans) rate of effusion=r=(volume of nitrogen gas effusing from the cyl
Water pressure is the same in all directions Punch holes around the base of a tall tin can with a nail. Wrap the holes as above with a strip of tape. Fill the can with water an
principle and application of potentiometry in biochemistry
what are the physical properties of acetic acid?
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