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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 shape of an orbital is given by the quantum number : (1) n (2) l (3) m (4) s Ans: l
How many moles of copper will be produced from 2.00 moles of aluminum?
giving correct formulas give the reactantsand products in the formation of poly2 butane
The frequency corresponding to transition n= 2 to n =1 in hydrogen atom is: (1) 15.66 x 10 10 Hz (2) 24.66 x 10 14 Hz (3) 30.5
Iodine is used as an antiseptic treatment, but it can be poisonous if taken internally! Be sure that the solution is handled with care, and avoid all direct contact with the soluti
The number of unpaired electrons in carbon atom in excited state is: (1) One (2) Two (3) Three (4) Four Ans: Four
Laws of mass action were proposed by Gulberg and Waage. The rate of chemical reaction is directly proportional to the product of the active masses of the reactants (molar concentra
Acid-base titrations - Types of titrations While the strength of an acid is determined along with the help of a standard solution of base, it is termed as acidimetry. Similarly
Antipyretic: Antipyretic is a drug that is accountable for lowering the temperature of feverish object. The central nervous system, specifically the hypothalamus, takes an sig
conclusion on the topic caustic soda
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