N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Chemistry, Part-II
PAPER-XVI
(Environmental Chemistry and Analytical Chemistry)
Annual Examination, 2018
Time 3 Hours. Full Marks 80
Answer any FIVE Questions. All questions carry equal marks.
1. What are heavy metals which pollute drinking water How will you estimate Hg and Cd in
water sample.
2. Write notes on Green House Effect, Arsenic in drinking water and its hazardous effect
on health.
3. How SO2, CO2, NO2 pollutants gas are measured. How these gasses damage our health
system in society
4. How is soil polluted by regular addition of pesticides and fertilizers What is effect of these
two on fertility of the soil
5. Explain Biogeochemical cycles in environments How do they sustain life in biosphere
6. What is smog What are its mechanism How does it harms the human life and other living
World
7. Explain the following Rf value TLC TGA
8. Write the basic principle of Colorimetry Derive Lambert-Beer's equations Write the
derivation from Lambert-Beer Law
9. What short of Industrial Pollution is extracted from sugar, distillery and thermal power plant
industry Explain.
10. Write notes on any Two of the following
Acid rain Measuring of BOD and COD Photochemical reaction in atomosphere