Chemistry - Environmental Chemistry
Practise 9 COMEDK previous year questions on Environmental Chemistry, compiled from papers spanning 2014 to 2023. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty COMEDK tests.
Environmental Chemistry has been asked in 6 of the 15 years of COMEDK papers analysed (2012–2026), with 9 questions in all. 89% of them were easy, 11% moderate and 0% tough. Most of its questions came from 2023, with 2 questions that year.
The chapter's 3 topics are not weighted equally: Air Pollution (7 questions, 78%), Environmental Pollution and pollutants (1 question, 11%), and Water Pollution (1 question, 11%) have been asked the most. Air Pollution has also led over the last five years, with 2 questions.
- 1Ozone in stratosphere is depleted by2023 (Memory Based)Air Pollution
- 2Ozone in stratosphere is depleted by2023 (Morning Shift)Air Pollution
- 3Which of the following gas is responsible for acid rain?2022Environmental Pollution and pollutants
- 4Carbon monoxide is poisonous to human beings because2021Air Pollution
- 5Which of the following particulate matter is emitted from vehicles?2021Air Pollution
- 6Ozone in stratosphere is depleted by2019Air Pollution
- 7BOD is a measure of2015Water Pollution
- 8Which of the following compounds is responsible for depletion of ozone layer?2015Air Pollution
- 9Rain water is called acid rain when its pH2014Air Pollution
Frequently Asked Questions
1.How many questions are available for Environmental Chemistry?
This chapter includes 9 questions compiled from COMEDK papers spanning 2014 to 2023.
2.Are these questions only from COMEDK, or from other exams too?
These are COMEDK questions specifically for the Environmental Chemistry chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Environmental Chemistry an important chapter for COMEDK Chemistry?
Environmental Chemistry has appeared in 6 of the 15 years of COMEDK papers covered here, with 9 questions across 7 papers - about one per paper it appears in.
4.What is the difficulty level of Environmental Chemistry questions in COMEDK?
Of the 9 questions analysed for this chapter, 89% are easy, 11% moderate and 0% tough. 2023 had the most, with 2 questions.
5.Which topics in Environmental Chemistry should I focus on?
These topics have carried the most weightage in Environmental Chemistry:
- Air Pollution - 7 questions (78%)
- Environmental Pollution and pollutants - 1 question (11%)
- Water Pollution - 1 question (11%)