M.Sc. (Semester IV) (CBCS) Examination Mar/Apr-2018
Analytical Chemistry
ENVIRONMENTAL CHEMICAL ANALYSIS
Time: 2½ Hours
Max. Marks: 70
Instructions: Attempt in all five questions. All question carry equal marks. Section I is compulsory. Attempt any two questions each from section II and section III Answer to all questions are to be written in one answer book only. Draw neat labeled diagram wherever necessary. Figures to the right indicate full marks. Use of calculator and table is allowed.
Section-I
Q.1
Attempt the following question:
14
Define saltation
Effect of erosion
What is denitrification?
What is PAOs?
Explain disinfection
Define biosphere
What is reverse osmosis
Define the terms COD and DO.
State types and sources of water pollution.
What is soil?
Give origin of waste water treatment.
What is alkalinity?
Define the terms aerobic digestion and anaerobic digestion.
Explain the terms persistent organic compounds and TS.
Section-II
Q.2
What is nitrogen cycle? Explain in brief the hydrological cycle.
07
What are trickling filters? Explain their function in waste water treatment.
07
Q.3
Describe industrial waste water treatment.
07
Explain determination of total hardness of water.
07
Q.4
Discuss adsorption method for waste water treatment.
07
Explain characteristics of water.
07
Section-III
Q.5
Which pollutants are produced by sugar industry? How these pollutants can be converted in to useful products.
05
Discuss in detail activated sludge process for waste water treatment.
05
Describe dithiozone method for determination of Cd in potable water.
04
Q.6
What do you mean by reverse osmosis? Explain its role in waste treatment.
05
Explain ion exchange method for waste water treatment.
05
Describe the principle and method of sampling of sulphur oxide.
04

Q.7
Write a note on any Three of the following.
14
Sulphur cycle
Minamata disaster
Biological treatment of hazardous waste
Methods of measurement of pesticides