Total No. of Questions 12] [Total No. of Pages 02
M.Sc.(Second) DEGREE EXAMINATION, MAY 2017
(Second Year)
CHEMISTRY
Environmental Chemistry
Time 3 Hours Maximum Marks 70
Section A
Answer any Four questions
(4× 7½ 30)
Q1) Write the principles of weathering.
Q2) Explain the factors affecting soil development.
Q3) How do you analyze carbon monoxide in air polluted sample?
Q4) What are the causes for acid rains and write the consequences of acid rains.
Q5) Explain water sphere
Q6) How do you determine nitrites in water samples?
Q7) Write the working principle and applications of pollution monitoring instruments.
Q8) Explain the principle and applications of reverse osmosis
Section B
Answer all the questions choosing one from each unit
(4× 10 40)
Unit-I
Q9) Write the determination of total nitrogen in soil samples.
OR
Explain the nomenclature in the study of environmental chemistry.
Unit-II
Q10) How do you determine the oxides of nitrogen in air samples?
OR
Explain air pollution due to particulate matter and photochemical smog.
Unit-III
Q11) Explain hydrological cycle in detail
OR
Discuss the water pollution due to agricultural wastes and thermal wastes
Unit-IV
Q12) How do you determine BOD in water samplies?
OR
Explain the primary treatment methods of water. Write the water quality
parameters of drinking water.