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Master of Science II (Inorganic Chemistry)
Examination: Oct Nov 2016 Semester III (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SD
286
Wednesday
23/11/2016
02.30 PM
to
05.00 PM
Environmental
Chemistry
C
XII
Instructions: Attempt in all five questions.
Section I is compulsory.
Attempt any two questions from Section II and any two from
Section III
Answer to all questions should be written in same answer
book.
All questions carry equal marks.
Figures to the right indicate full marks.
Neat and labeled diagrams should be drawn wherever
necessary.
Use of log table and calculators in allowed.
Total Marks:70
SECTION I
Q.1 Answer the following: 14
Which nontoxic chemical responsible for ozone layer depletion?
What is radioactive fallout?
Which primary nutrients are present in soil?
Give the names of PCBs, 4-D and 5-T.
Define secondary pollutants.
What are the types of radioactive wastes?
What is smog?
How solid waste classified?
Which compound is responsible for Bhopal gas disaster?
Mention some common ionizing radiations.
What are the end products of aerobic oxidation of organic waste?
Name the acids present in the acid rain.
What are the sources of heavy toxic metals in the aquatic environment?
Name the method used for monitoring of gaseous air pollutants.
SECTION II
Q.2 Classify air pollution in details? Discuss the effect of air pollutant on living
and non-living things.
07
Discuss the water pollutant with its types, sources and classification. 07
Q.3 What is radioactivity? What are the hazards associated with nuclear fall-out? 07
Discuss the coagulation and flocculation with respect to principle reactions
involved and process which controls the water pollution.
07
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Q.4 Mention the mechanisms affecting the collections of particulate pollutants in
the cyclonic separators and fabric filters.
07
Explain monitoring and analysis of carbon monoxide and carbon
dioxide from atmosphere?
07
SECTION III
Q.5 Discuss the sludge treatment process and its disposal. 05
What are the impacts of pesticides residue on life? 05
Write brief account on air pollution problems in industrial area. 04
Q.6 Explain ion exchanger method as water softener. 05
Explain Chernobyl disaster. 05
Discuss the water pollution caused by various chemicals industries. 04
Q.7 Write short note on any three of the following: 14
Disposal methods for the radioactive wastes.
Types of collections particulate pollutants.
Bhopal gas tragedy.
Ozone depletion