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Answer first
Principles Related to Practical Chemistry PYQs (previous year questions) for JEE Main: Principles Related to Practical Chemistry (Chemistry) had 9 questions across the 11 official JEE Main papers we tagged (2016–2026), and appeared in 7 of them. Asked in 3 of 3 years. The concepts asked in the most papers: Salt Analysis, Distinguishing Tests, Functional Group Tests.
Year-wise question count
Asked in 3 of 3 years.
| Year | Papers | Questions | Per paper |
|---|---|---|---|
| JEE Main 2026 | 9 | 7 | 0.8 |
| JEE Main 2017 | 1 | 1 | 1 |
| JEE Main 2016 | 1 | 1 | 1 |
Most-asked concepts
Sorted by the number of papers a concept appeared in.
| Concept | Questions | Papers | Years |
|---|---|---|---|
| Salt Analysis | 2 | 2 | 2026 |
| Bunsen Flame | 1 | 1 | 2016 |
| Distinguishing Tests | 1 | 1 | 2026 |
| Functional Group Tests | 1 | 1 | 2026 |
| Qualitative Analysis | 1 | 1 | 2017 |
| Tests for Anions | 1 | 1 | 2026 |
| Tests for Gases | 1 | 1 | 2026 |
| Titrimetric Analysis | 1 | 1 | 2026 |
How to practise Principles Related to Practical Chemistry PYQs
- Start with the concepts at the top of the table. They have come back the most.
- Solve one year’s Principles Related to Practical Chemistry questions from the official PDF against the clock, then check the answer listed below.
- Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
- Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.
Questions by year
Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.
JEE Main2026
- Q.67 (2 April, shift 1) · MCQ · Distinguishing Tests: Match compound pairs with reagents used to distinguish them (official answer: option 4) PDF
- Q.70 (2 April, shift 1) · MCQ · Salt Analysis: Identify cation and anion from flame test, chromate and molybdate tests (official answer: option 2) PDF
- Q.69 (4 April, shift 2) · MCQ · Salt Analysis: Cation precipitated by H₂S with NH₄OH and its highest oxidation state (official answer: option 4) PDF
- Q.70 (4 April, shift 2) · MCQ · Functional Group Tests: Match organic compounds with their identification tests (official answer: option 1) PDF
- Q.70 (5 April, shift 1) · MCQ · Titrimetric Analysis: Statements on primary standards and phenolphthalein (official answer: option 2) PDF
- Q.70 (5 April, shift 2) · MCQ · Tests for Gases: Reagent paper turning green with SO₂ (official answer: option 4) PDF
- Q.70 (6 April, shift 2) · MCQ · Tests for Anions: Identify gas and compound formed in brown ring test (official answer: option 1) PDF
JEE Main2017
- Q.48 · MCQ · Qualitative Analysis: Identify organic acid salt from tests with H2SO4, CaCl2, KMnO4 PDF
JEE Main2016
- Q.60 · MCQ · Bunsen Flame: Hottest region of a Bunsen flame PDF
Principles Related to Practical Chemistry in other exams
The same chapter in other official papers we tagged: JEE Advanced (7 questions).
Other Chemistry chapters
- Some Basic Concepts in Chemistry PYQs
- Atomic Structure PYQs
- Chemical Bonding and Molecular Structure PYQs
- Chemical Thermodynamics PYQs
- Solutions PYQs
- Equilibrium PYQs
- Redox Reactions and Electrochemistry PYQs
- Chemical Kinetics PYQs
- Classification of Elements and Periodicity PYQs
- p-Block Elements PYQs
- d- and f-Block Elements PYQs
- Coordination Compounds PYQs
- Purification and Characterisation of Organic Compounds PYQs
- Some Basic Principles of Organic Chemistry PYQs
- Hydrocarbons PYQs
- Organic Compounds Containing Halogens PYQs
- Organic Compounds Containing Oxygen PYQs
- Organic Compounds Containing Nitrogen PYQs
- Biomolecules PYQs
FAQ
How many Principles Related to Practical Chemistry questions come in JEE Main?
In the official papers we tagged: 7 in 2026 (9 papers), 1 in 2017 (1 paper) and 1 in 2016 (1 paper). That is 9 questions in all, about 3% of Chemistry.
Which Principles Related to Practical Chemistry topics repeat in JEE Main?
Asked in the most papers: Salt Analysis, Distinguishing Tests, Functional Group Tests. The concept table lists every one with its count.
Are these official JEE Main questions?
Yes. Every question is from an official JEE Main paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.