JEE Main Concentration of Solutions PYQ PDF is a free, 12-page resource containing 62 questions from the 2004-2026 papers. The topic recorded 2 questions across the 2026 papers, with a reported weightage of 0.42% in the referenced database.
The PDF includes 30 MCQs alongside 32 numerical-value questions, with 1 statement-based question. Questions are arranged from newest to oldest to help students practise recent exam patterns and revise key concepts.
The PDF Contains:
| 62 Questions | 12 Page | 0.42% ↓71.43% Weightage in 2026 | 2004-2026 years covered |
Concentration of Solutions is a topic in the Class 11 and 12 Chemistry chapter Solutions. Every question carries its exam date and shift. The PDF holds questions only, with options as printed and no answer key.
JEE Main Concentration of Solutions Weightage by Year
As per JEE Main concentration of solutions weightage from past years, students can expect 2 to 10 questions from this topic in a year in recent papers. The 2026 papers had 2.
| Year | Questions | Average per Shift | Weightage in Chemistry | Change in Weightage |
|---|---|---|---|---|
| 2026 | 2 | 0.11 | 0.42% | −71.43% |
| 2025 | 7 | 0.37 | 1.47% | −11.58% |
| 2024 | 10 | 0.50 | 1.67% | +100.00% |
| 2023 | 6 | 0.25 | 0.83% | +14.67% |
| 2022 | 5 | 0.22 | 0.73% | −37.02% |
The 2021 papers add 9 more questions, and the years before that add 23. Weightage is the topic's share of all Chemistry questions in the bank for that year.
Question Formats in JEE Main Concentration of Solutions PYQs
The 62 questions in this PDF are split between multiple-choice and numerical-value questions. Of the 62, 1 is statement-based.
| Question Type | Questions | Share |
|---|---|---|
| MCQ | 30 | 48.4% |
| Numerical value | 32 | 51.6% |
| Total | 62 | 100% |
How to Practise Concentration of Solutions
Memorise molarity, molality, mole fraction, normality and ppm, and the formulae that link them through the density of the solution. Practise converting molarity to molality and back using the density.
Then do dilution and mixing questions using M₁V₁ + M₂V₂ = M(V₁ + V₂).
Video: Concentration of Solutions PYQs
Source: JEE Wallah
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