JEE Main · Chemistry · Environmental Chemistry
NO2 and Traffic Red Haze
JEE Main asked NO2 and Traffic Red Haze once in the 108 shifts Lumi analysed, on 29 Jul 2022, Shift 2. It belongs to Environmental Chemistry (Chemistry).
Updated 2026-10-24
- Times asked
- 1
- in 1 shift
- Years
- 1 of 8
- First asked
- 2022
- the only year
- Pattern
- Occasional
- asked once so far
Questions on this idea a shift, by year
2017–2026. Asked in 2022. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.
Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 1 in 24 shifts · 2023: 0 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.
How JEE Main framed it
Single correct is the usual form. Skill tested: recall.
- Identify pollutant by effect
Difficulty
The question was multiple choice.
Every question
The question
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
Shift: 29 Jul 2022, Shift 2.
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.
- Ozone Layer Depletion8× · 2023
- Classical vs Photochemical Smog7× · 2023
- Acid Rain Mechanism6× · 2023
- Greenhouse Effect6× · 2023
- Water Quality BOD and COD5× · 2023
- Eutrophication and Dissolved Oxygen Limits5× · 2022
- Drinking Water Standards: Fluoride Limits3× · 2024
- Fluoride Limits in Drinking Water3× · 2022
- Non-Biodegradable Industrial Solid Wastes2× · 2023
- Pesticides and Herbicides Toxicity2× · 2023
- Primary Reactions of Photochemical Smog2× · 2023
- BOD Values for Clean vs Polluted Water2× · 2022