MEV-013 Environmental Chemistry Solved Assignment 2021-2022

MEV-013 Environmental Chemistry

Solved Assignment 2021-2022

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Course Code : MEV-013
Course Title : Environmental Chemistry
Assignment Code : MEV-013/TMA-01/January & July session 2021

Title Name

MEV-013 Solved Assignment 2021-2022

University IGNOU
Service Type Solved Assignment (Soft copy/PDF)
Course Master of Science (Environmental Science)
Language ENGLISH
Semester 2021-2022 Course: MSCENV
Session January 2021 and July 2021 Sessions
Short Name MEV-013
Assignment Code MEV-013/TMA-01/January & July session 2021
Product Assignment of MSCENV 2021-2022 (IGNOU)

 

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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?
9
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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MEV 013, MEV013, MEV-013, MEV-13, MEV13, MEV 13

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