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Saturday, 31 October

JEE Main · Chemistry · Surface Chemistry

Colloid Classification by State

JEE Main asked Colloid Classification by State 6 times in 6 of the 108 shifts Lumi analysed, in 2020, 2021, 2022 and 2023. It belongs to Colloids, in Surface Chemistry (Chemistry). The longest wait between two years asking it was 1 year. In 2021 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.

00.050.10’170.08’200.10’210.03’220.07’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 1 in 12 shifts · 2021: 3 in 24 shifts · 2022: 1 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
  • 20221 of 24
  • 20213 of 24
  • 20201 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Match the list is the usual form. Skill tested: recall.

  • Count colloids with a given dispersion medium
  • Match list on colloids

Difficulty

Easy 5Medium 1Hard 0

1 of the 6 questions had a numerical answer.

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. 6 Apr 2023, Shift 2 · Q87The number of colloidal systems from the following, which will have 'liquid' as the dispersion medium, is ______________. Gem stones,…MediumNumerical value
  2. 27 Jun 2022, Shift 1 · Q64Match List - I with List - II. List - I (A) Lyophilic colloid (B) Emulsion (C) Positively charged colloid (D) Negatively charged colloid…EasyMatch the list
  3. 17 Mar 2021, Shift 1 · Q32A colloidal system consisting of a gas dispersed in a solid is called a/an :EasySingle correct
  4. 25 Jul 2021, Shift 2 · Q33Match List I with List II : List - I Example of Colloids (a) Cheese (b) Pumice stone (c) Hair cream (d) Cloud List - II Classification (i)…EasyMatch the list
  5. 4 Aug 2021, Shift 2 · Q31Match List-I with List-II : List-I : Examples of Colloids A. Paints B. Hair cream C. Whipped cream D. Cheese List-II : Type of Colloid I.…EasyMatch the listHas a figure
  6. 4 Sep 2020, Shift 1 · Q26Match the following : (i) Foam (a) smoke (ii) Gel (b) cell fluid (iii) Aerosol (c) jellies (iv) Emulsion (d) rubber (e) froth (f) milkEasyMatch the list

Shifts: 4 Sep 2020, Shift 1, 17 Mar 2021, Shift 1, 25 Jul 2021, Shift 2, 4 Aug 2021, Shift 2, 27 Jun 2022, Shift 1, 6 Apr 2023, Shift 2.

Same topic

Other ideas in Colloids

Colloids has 16 ideas JEE Main has asked; 7 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisAll repeated ideas