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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.
do u do prac Report?
explain dualnature of electron
Calculate the pH of 0.100 L of a buffer solution that is 0.22M in HF and 0.53M in NaF
1. A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent a
ramesh wants to coat the below silver articles with gold suggest the suitable coating process for ramesh to choose for coating the articles and justify the reason for the chosen me
Uses of Esters (a) Esters are used as a solvent for oils, fats, cellulose, resins etc. (b) Esters are used in making artificial flavours and essences. (c) Esters are used
name the acid present in ant sting and give its chemical formula also give common method to get relief from the discomfort caused by ant sting
potentiometric titration
Vapour pressure of water at 293 k is 17.535mmHg calculate the vapour pressure of water at 293 k when 25g of glucose is dissolved in 450 g of water?
which compounds will dissolve in alkaline solution after it has undergone reaction with hinsberg reagent
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