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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.
What is the name of this reaction cycle? Which oxidation product is released from the cycle? What are the decreased products? The reduced products A and B are reoxidiz
State the Functions of oxide layer (i) To mask against diffusion or ion-implant, (ii) To passivate surface electrically and chemically. (iii) To isolate one device from a
Describe discovery of sub atomic particles
What are gredients for chemical and physical properties in lactic acid?
Q. Illustrate Egg White Foams? Egg white foams when whipped or beaten, the air gets entrapped in the liquid present, and an interfacial tension is established between the ai
Q. Illustrate Chemical nomenclature? Ans. Chemical nomenclature is the system of names that chemists use to identify compounds precisely. The systematic method of naming c
how can you relate boyle''s law to atmospheric pressure?
.
2 Kg of ice at -20 degree C is diverse with 5Kg of water 20 degree C in an insulating vessel having negligible heat capacity. Measure the final mass of water remaining in the con
The total number of valence electrons in 4.2 gm N-3 of ion is ( NA is the Avogadro''s number): (1) 1.6NA
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