IGNOU MSCCHEM MCH 23 SOLVED ASSIGNMENT
MCH 23: Environmental Chemistry
₹80 ₹30
| Title Name | IGNOU MSCCHEM MCH 23 SOLVED ASSIGNMENT |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | MASTER DEGREE PROGRAMMES |
| Course Code | MSCCHEM |
| Course Name | M.Sc. in Chemistry |
| Subject Code | MCH 23 |
| Subject Name | Environmental Chemistry |
| Year | 2025 2026 |
| Session | - |
| Language | English Medium |
| Assignment Code | MCH 23/Assignment-1/2025 2026 |
| Product Description | Assignment of MSCCHEM (M.Sc. in Chemistry) 2025 2026. Latest MCH 023 2025-26 Solved Assignment Solutions |
| Last Date of IGNOU Assignment Submission | Last Date of Submission of IGNOU BEGC-131 (BAG) 2025-26 Assignment is for January 2026 Session: 30th September, 2026 (for December 2025 Term End Exam). Semester Wise January 2025 Session: 30th March, 2026 (for June 2026 Term End Exam). July 2025 Session: 30th September, 2025 (for December 2025 Term End Exam). |
| Format | Ready-to-Print PDF (.soft copy) |
📅 Important Submission Dates
- January 2026 Session: 31st March, 2026
- July 2026 Session: 30th September, 2026
Why Choose Our Solved Assignments?
• Guidelines: Strictly follows 2025-26 official word limits.
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📋 Assignment Content Preview
MCH 023 (January 2026 - July 2026) - ENGLISH
Tutor Marked Assignment
MCH-023: ENVIRONMENTAL CHEMISTRY
Course Code: MCH-023
Assignment Code: MCH-023/ΓΜΑ/2025-26
Maximum Marks: 100
Note: Answer all the questions given below.
1. a) Explain the following in brief.
i) Soil profile
ii) Topography
iii) Parent material
iv) Metamorphic rocks
v) Granular disintegration
How is the soil texture analysis done? Describe in brief. b)
2. a) Describe the reasons of soil alkalinity and the consequences of the same.
b) How is nitrogen important to the plants? Write the sources of this macronutrient to plants.
3. a) What is meant by the cation exchange capacity (CEC) of soils? What is the property of soil that determines the CEC of soils? How does CEC vary with pH?
b) Describe the distribution of the world's water resources among oceans, icecaps/glaciers, groundwater, and surface water, providing approximate percentages.
4. a) Explain the importance of groundwater as a water resource in India. What are the problems in overusing ground water?
b) Define turbidity in water and explain its causes, measurement, and significance for water quality.
5. a) Briefly explain the factors affecting water quality.
b) State the five "designated best uses" of water as per the Central Pollution Control Board (CPCB) classification and give one corresponding primary water quality criterion for each.
6. a) What is meant by the atmospheric effect and the greenhouse effect?
b) Explain how ozone layer depletion is related to global warming.
7 a) How do the following factors affect the discharge of pollutants in the atmosphere?
i) Atmospheric stability
ii) Temperature
iii) Precipitation
iv) Turbulence
v) Solar radiation
b) Distinguish between the following pairs giving examples:
i) Stationary and Mobile sources of pollutants
ii) Indoor and Ambient air pollution
8. a) Name any two methods that are used for collecting gaseous samples and explain any one of these.
b) Briefly explain the following terms:
i) Dissolved Oxygen (DO)
ii) Biochemical Oxygen Demand (BOD)
9. a) Discuss the method of aeration in the treatment of daily wastes. Also give the problems associated with it.
b) Give the characteristics of an ideal pesticide.
10. a) In which form the phosphorous occurs in sewage? Also, briefly explain the methods of removing it.
b) How are Pathogenic bacteria transmitted in water? List any five diseases transmitted by them.
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- IGNOU MCH 23 Environmental Chemistry 2025 2026 Solved Assignment
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IGNOU MSCCHEM Assignments Jan - July 2026 - IGNOU University has uploaded its current session Assignment of the MSCCHEM Programme for the session year 2025 2026. Students of the MSCCHEM Programme can now download Assignment questions from this page. Candidates have to compulsory download those assignments to get a permit of attending the Term End Exam of the IGNOU MSCCHEM Programme.
Download a PDF soft copy of IGNOU MCH 23 Environmental Chemistry MSCCHEM Latest Solved Assignment for Session January 2026 - December 2026 in English Language.
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If you’ve arrived at this page, you’re looking for a free PDF download of the IGNOU MSCCHEM Solved Assignment 2025 2026. MSCCHEM is for M.Sc. in Chemistry.
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| Course Name | M.Sc. in Chemistry |
| Course Code | MSCCHEM |
| Programm | Courses |
| Language | English |
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