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a) Describe why not all of the organic matter in wastewater is converted to carbon dioxide and water in biological treatment.
b) What is the importance of the BOD in the characterization of wastewater?
c) Why are samples incubated at 20°C in the dark for 5 days in the BOD test?
what is atom
Compound A has the molecular formula C 4 H 8 O 2 . Figure 1 gives the infrared spectra of compound A. Table gives the chemical shifts and multiplicity data of the broad-ban
A solution is prepared with 3.85g of a non-ionic unknown compound in 100.0g cyclohexane. The solution had a freezing point of 4.18 degrees Celsius. What is the molar mass of the un
Describe the process involved inthe Dewar method of separation of inert gases?
calcium acetate
Q. How can we obtain Pure alumina? Pure alumina is obtained from bauxite ore. Powdered bauxite mineral is heated in a concentrated solution of sodium hydroxide under pressure w
GLASS: Glass is amorphous solid which is not true solid, it is rather super cooled liquid which possesses a very high viscosity. It has no fixed melting point, on heating graduall
the density of a gas ''A'' is twice that of gas ''B'' at same temperature.The molecular mass of ''B'' is thrice that of ''A'' .the ratio of the pressures acting on A andB
ASSINMENT
Chemical reactions of glycerol.
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