M.Sc. (Semester IV) (CBCS) Examination Nov/Dec-2018
Analytical Chemistry
ENVIRONMENTAL CHEMICAL ANALYSIS
Time: 2½ Hours
Max. Marks: 70
Instructions: Attempt in all five questions. Section is compulsory. Attempt any two questions from section II and section III. Answer to all questions (Section II and III) should be written in same answer book. All questions carry equal mark. Figures to right indicate full marks. Draw neat labeled diagram wherever necessary. Use of calculator and log table is allowed.
Section I
Q.1
Answer the following:
14
What is mean by PAH?
Define chemiluminescences.
State controls of hydrocarbons and photochemical pollutants.
What are particulates?
Define gas chromatography.
Define the terms TOC and BOD.
What is pesticide?
Explain surfactants.
What is total hardness?
Explain eutrophication.
State measures to control plastic pollution.
Define aerobic logooning.
Merits and demerits of ASP.
Explain lithosphere.
Section II
Q.2
What is phosphorus cycle? Explain in brief the hydrological cycle.
07
What do you mean by DO, BOD, COD. Explain method of estimation of COD.
07
Q.3
Explain the activated sludge process.
07
Explain the sample collection and preservation.
Q.4
Describe the principle and method of sampling of sulphur oxide.
07
Comment on treatment of polluted soil.
07
Section III
Q.5
Explain the pollution caused by polymer industry.
05
Describe the measurement of acidify, alkalinity, hardness of water sample.
05
Explain ion exchange method for waste water treatment.
04
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SLR-VF-192
Q.6
Explain hydrocarbon and photochemical smog.
05
State different chemical methods for treatment of hazardous waste. Discuss redox and chemical method.
05
What do you mean by electrodialysis? Explain its role in waste water treatment.
04
Q.7
Write a note on any Three of the following.
14
Soil loss and degradation
Sludge disposal and reuse
Nitrogen cycle
Three mile island tragedy