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Saturday, 31 October

JEE Main · Chemistry · Environmental Chemistry

Acid Rain Mechanism

JEE Main asked Acid Rain Mechanism 6 times in 6 of the 108 shifts Lumi analysed, in 2020, 2021, 2022 and 2023. It belongs to Environmental Chemistry (Chemistry). The longest wait between two years asking it was 1 year. In 2020 and 2022 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
6
in 6 shifts
Years
4 of 8
First asked
2020
last in 2023
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2020, 2021, 2022 and 2023. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.10.20’170.17’200.03’210.07’220.07’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 2 in 12 shifts · 2021: 1 in 24 shifts · 2022: 2 in 24 shifts · 2023: 1 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20260 of 9
  • 20250 of 8
  • 20240 of 18
  • 20231 of 12
  • 20222 of 24
  • 20211 of 24
  • 20202 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Single correct is the usual form. Skill tested: recall.

  • Identify acid responsible for damage
  • Match pollutants to environmental effects

Difficulty

Easy 6Medium 0Hard 0

Every question was multiple choice.

Every question

All 6 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 12 Apr 2023, Shift 1 · Q73Match List I with List II LIST I / LIST II A. Nitrogen oxides in air - I. Eutrophication B. Methane in air - II. pH of rain water becomes…EasyMatch the list
  2. 29 Jun 2022, Shift 2 · Q72Sulphur dioxide is one of the components of polluted air. SO2\mathrm{SO_2} is also a major contributor to acid rain. The correct and…EasySingle correct
  3. 29 Jun 2022, Shift 1 · Q72The acid that is believed to be mainly responsible for the damage of Taj Mahal isEasySingle correct
  4. 31 Aug 2021, Shift 2 · Q40The deposition of X and Y on ground surfaces is referred as wet and dry depositions, respectively. X and Y are :EasySingle correct
  5. 3 Sep 2020, Shift 2 · Q38The incorrect statement(s) among (a) −- (d) regarding acid rain is (are) : (a) It can corrode water pipes. (b) It can damage structures…EasyOther
  6. 3 Sep 2020, Shift 1 · Q38Thermal power plants can lead to :EasySingle correct

Shifts: 3 Sep 2020, Shift 2, 3 Sep 2020, Shift 1, 31 Aug 2021, Shift 2, 29 Jun 2022, Shift 2, 29 Jun 2022, Shift 1, 12 Apr 2023, Shift 1.

Same topic

Other ideas in Environmental Chemistry

Environmental Chemistry has 19 ideas JEE Main has asked; 15 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisAll repeated ideas