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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.
In solid state chemistry the CN 2 2- ion shows constitutional isomerism. The free acids of both anions (at least in the gas phase) are known. Illustrate the structural formul
NaH + H2O ->
Electronegativity may be described as the power of an atom to attract electrons to itself in a chemical bond. It is the most important chemical parameter in calculating the type of
a tablet of extra strength tylenol contains 5.00x10^2 mg of acetaminophen. Calculate the number of moles of acetaminophen present in one tablet of extra strength tylenol?
What is vulcanization The process of vulcanization was discovered by Charles Good Year in 1839. He found that when natural rubber is heated with sulphur, its tensile strength,
Which of the following statements is not correct for an electron that has the quantum numbers n=4 and m =2: (1) The electron may have the quantum number s= +1/2 (2) The e
Q. What do you mean by Acid Value and Free Fatty Acids? Acid value is a measure of hydrolytic rancidity present in the sample of oil/fat. It reflects the state of freshness o
Uses of Catechol Catechol finds use as photographic developer and in the manufacture of alizarin and adrenaline hormone and like an antioxidant (inhibitor in auto oxidation) fo
how many laws of crystallography?
Positronium consists of an electron and a positron (a particle which has the same mass as an electron, but opposite charge) orbiting round their common centre of mass. Calculate th
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