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M.E.V – 013
Environmental
Chemistry MEV 013 Solved Assignment 2022-23
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NOTE: All questions are
compulsory.
1. Explain modern methods of
separation and Electrical methods of analysis with suitable examples?
2. Differentiate between the
following
a. Accuracy and Precision
b. Determinate and
Indeterminate Errors
3. What are the applications of
chromatography technique in environmental monitoring?
4. Explain the following with
suitable examples
a. Chemical equilibrium &
Dynamic equilibrium
b. Aromatic hydrocarbons as
environmental pollutants
c. Biochemical effects of
Arsenic & Mercury
d. Mechanism of adsorption
5. Give a note on scintillation
process and working mechanism of scintillation counter?
6. Explain the reasons for the
following?
a. HF stored in copper bottles
and not glass bottles
b. Sodium hypochlorite used as
a disinfectant
c. Graphite acts as a lubricant
d. Lead components are added to gasoline and why was it removed with the advent
of catalytic convertors
e. TEL was banned as a gasoline
additive
7. Explain basic
instrumentation for IR Spectrometry and its environmental applications?
8. a)What is global warming?
How is it different from greenhouse effect? What are the environmental outcomes
of global warming?
b) Describe the mechanism of
ozone formation in the lower troposphere?
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Open University has updated the IGNOU Assignment Status
2022-23 December Session so that students can know if their submission is
completed or not. Now if you have also submitted your
Assignment/Practical/Project till 15 December 2022 then you must be worried
about the Assignment Status and Grade Card. So we decided to come up with https://ignouadmission.samarth.edu.in/ Assignment
2022-23.