Questions
3
across 8 papers
Share of subject
0.8%
of 398 Chemistry Qs
Weightage rank
#30
of 31 chapters
Difficulty
2 easy · 1 medium · 0 hard
Environmental Chemistry contributed 3 of the 398 NEET Chemistry questions between 2020 and 2026 (Re-NEET 2026 included). That is 0.8% of the subject and makes it the #30 chapter out of 31 by weightage — roughly 0.4 questions per paper, peaking at 1 in NEET 2020.
Of the 3 questions tagged for difficulty, 67% were easy, 33% medium and 0% hard — a chapter where NCERT-level preparation pays off directly.
No question came from this chapter in the last four papers (NEET 2024 onward), though earlier papers asked 3.
The single most-tested topic is Environmental Pollution (Pollutants and Contaminant) — 1 question across 1 paper.
3 topics tagged under Environmental Chemistry. Numbers show how many questions each topic had in each paper; E / M / H are the easy, medium and hard counts.
| Topic | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Re | Total | E | M | H |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Environmental Pollution (Pollutants and Contaminant) | – | – | 1 | – | – | – | – | – | 1 | 1 | – | – |
| Gaseous Air Pollutants (Oxides of Sulphur) | – | 1 | – | – | – | – | – | – | 1 | – | 1 | – |
| Green House Effect | 1 | – | – | – | – | – | – | – | 1 | 1 | – | – |
No topic has appeared in three or more different papers.
No question came from Environmental Chemistry in the 2026 papers.
No question in this chapter was tagged hard.
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 3 Chemistry questions came from Environmental Chemistry — 0.8% of the subject, or about 0.4 per paper.
By past weightage it ranks #30 of 31 Chemistry chapters, so it is a lower-weightage Chemistry chapter, with 3 questions over 2020–2026.
The most-tested topics are Environmental Pollution (Pollutants and Contaminant) (1), Gaseous Air Pollutants (Oxides of Sulphur) (1) and Green House Effect (1). The topic table above lists every topic with its count in each paper.
Of the 3 difficulty-tagged questions, 67% were easy, 33% medium and 0% hard.
No question came from Environmental Chemistry in NEET 2026 or Re-NEET 2026.
Edurack has chapter-wise NEET previous-year questions for Environmental Chemistry. Use the practice button on this page to open the set, attempt questions and check your answers.
Counts come from Edurack's tagged set of NEET papers 2020–2026 (including Re-NEET 2026), mapped to NCERT chapters and topics. Use them as a trend guide — past frequency doesn't guarantee what a future paper will ask.