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Question 1:
a. Describe in details the composting process.
b. Odour is very often a big problem in composting facilities. Describe some odour avoidance and odour treatment strategies that can be adopted to mitigate this problem.
Question 2:
a. Describe why biological processes are preferred to physico-chemical processes for the removal of nitrogen in waste water.
b. Show the impacts of discharging effluents having high nitrogen content in the environment.
c. Show why disinfection of sludge is important and list 7 ways how disinfection of sludge can be achieved.
The electrons would go to lower energy levels first and then to higher energy levels according to which of the following: (1) Aufbau principle (2) Pauli's exclusion princip
What is Frenkel defect A pair of one cation and one anion can be missing from an ionic crystal as shown in the following figure. Such a pair of vacant sites is called Schottky
what are the uses of laws of chemical combination
ZIESE''S SALT
Q. Explain the structure of Single covalent bonds? Ans. Atoms tend to achieve the stable electron configuration of a noble gas when forming a bond. In covalent bonding thi
You have 9.00 grams of H2O at 263.15 Kelvin at 1.00 Atm. How many moles of ice do you have
Ernest Rutherford in 1909 conducted what is now a famous experiment where he bombarded gold foil with alpha particles (Helium nuclei). A source which undergoes for alpha decay is
what is acid
Why lithium and beryllium markedly differ from other members of their respective groups?
Q. What is the basic structure of Alkynes? Ans. Alcohols have the general chemical formula of ROH. The R stands for the rest of the molecule and is usually an alkyl group
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