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Question:
(a) Explain the precautions that should be taken by plant operators while handling chlorine gas used in disinfection of wastewater.
(b) Show why disinfection of sludge is important and list seven ways how disinfection of sludge can be achieved.
(c) In various countries, there are still concerns from experts and local communities about the environmental impact of incinerators. Consider the following two types of emissions produced by these waste treatment facilities:
(i) Gas phase emission (ii) Particulate emission
State one possible major problem associated with each emission. Provide relevant solutions to the problems stated.
In the anaerobic fermentation of grain the yeast Saccharomyces cerevisiae digests glucose from plants to form the products ethanol and propenoic acid by the following overall react
Q. What do you mean by Homologous Series? Ans. How can we adequately learn about carbon compounds when there are so many of them? The answer lies in grouping similar c
Q. Classification of emulsifiers? Emulsifiers can be classified under two categories. These are: • Natural: These are naturally present in foods. Some examples are phosphol
Derive Nerst equation for both anode and cathode.
write the structures of the major product (saytzeff elimination) when the following alcohols are dehydrated with hot,concentrated sulphuric acid. 1. 3-methyl-2-butanol 2. 2-pentano
what is wet test for acid redicals?
what rules and principles are violated in the following electronic configuration: 1s22s3
The number of orbitals in the fourth principal quantum number will be: (1) 4 (2) 8 (3) 12 (4) 16 Ans: 16
The cell diagram of a mercury cell can be written Zn(s) | ZnO (s) NaOH (aq) HgO (s) HgO (I) (a) Write the electrode reactions and cell reaction with electron number z = 2.
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