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Question 1:
(i) With the aid of a diagram, briefly explain the natural environmental system.
(ii) Explain the green house effect, and give 2 examples of green house gases, and their sources.
(iii) With the aid of a venn diagram, explain what is sustainable .development?
(iv) List 5 factors that affect the severity of damage caused by natural or technological disasters.
(v) List 10 health and safety issues an industrial Hygienist deals with at a workplace.
Question 2:
(i) Elaborate on 5 examples to show how water pollution affects human health?
(ii) Give 5 examples of industrial pollutants, their sources, and their effects on man.
(iii) Elaborate on 5 effects of Deforestation.
Physical properties of dienes
Explain objectives of annealing? Discuss the various annealing processes? Is spheroidising different from annealing? Illustrate. A slow cooling rate from eutectoid tempe
verify the law of multiple proportions for an element X, which forms oxides having percentages of X equal to 77.4%, 63.2%,69.6% and 72.0%
Metallic Acetates - Acetic Acid For making several useful metallic acetates, illustrated as: (1) Basic copper acetate that is used for making green paints. (2) Al, Fe and
A 15 m 3 tank contains steam at 10 bar and 300 o C. The system is then cooled until the temperature reaches 150 o C . Some of the steam condenses. a) How much heat was transf
explain vsepr thheory
When atoms are bombarded with alpha particles, only a few in n, others pass out undeflected. This is because : (1) The nucleus occupies much smaller volume compared to the volu
how we synthesis picric acid why it required 1 hour for the reaction with HNO3,H2SO4 and show the mechanism of picric acid and uses of picric acid. and what is the role of HNO3,H2S
Saytzeff rule - Elimination Reaction As per to that principle, major part is the most substituted alkene that is , major product is obtain by elimination of H
explain how electrophoretic effect affects transport number
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