Questions
5
across 8 papers
Share of subject
1.3%
of 398 Chemistry Qs
Weightage rank
#26
of 31 chapters
Difficulty
1 easy · 3 medium · 1 hard
Surface Chemistry contributed 5 of the 398 NEET Chemistry questions between 2020 and 2026 (Re-NEET 2026 included). That is 1.3% of the subject and makes it the #26 chapter out of 31 by weightage — roughly 0.6 questions per paper, peaking at 2 in NEET 2020.
Of the 5 questions tagged for difficulty, 20% were easy, 60% medium and 20% hard — mostly medium-level questions that reward practice beyond one-line facts.
No question came from this chapter in the last four papers (NEET 2024 onward), though earlier papers asked 5.
The single most-tested topic is Colloids (Application of Colloids) — 2 questions across 2 papers.
4 topics tagged under Surface 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Colloids (Application of Colloids) | – | 1 | – | 1 | – | – | – | – | 2 | 1 | 1 | – |
| Colloids (Coagulation of Lyophobic Sol, Mutual Coagulation, e…) | – | – | 1 | – | – | – | – | – | 1 | – | 1 | – |
| Colloids (Protection of Colloids) | 1 | – | – | – | – | – | – | – | 1 | – | – | 1 |
| Emulsions | 1 | – | – | – | – | – | – | – | 1 | – | 1 | – |
No topic has appeared in three or more different papers.
No question came from Surface Chemistry in the 2026 papers.
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 5 Chemistry questions came from Surface Chemistry — 1.3% of the subject, or about 0.6 per paper.
By past weightage it ranks #26 of 31 Chemistry chapters, so it is a lower-weightage Chemistry chapter, with 5 questions over 2020–2026.
The most-tested topics are Colloids (Application of Colloids) (2), Colloids (Coagulation of Lyophobic Sol, Mutual Coagulation, e…) (1) and Colloids (Protection of Colloids) (1). The topic table above lists every topic with its count in each paper.
Of the 5 difficulty-tagged questions, 20% were easy, 60% medium and 20% hard.
No question came from Surface Chemistry in NEET 2026 or Re-NEET 2026.
Edurack has chapter-wise NEET previous-year questions for Surface 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.