Some Basic Concepts of Chemistry is a Class 11 chapter in the Chemistry section of the MHT CET for candidates who are preparing for the PCM (Physics, Chemistry, and Mathematics).
The key topics covered in Some Basic Concepts of Chemistry PYQs are:
- Mole concept and molar mass
- Number of molecules, atoms and electrons
- Percentage composition
- Stoichiometry and limiting calculations
- Atom economy and laws of chemical combination
Practising Some Basic Concepts of Chemistry MHT CET PYQ helps candidates to understand question pattern, improve calculation speed, and identify concepts which were asked in previous exams.
Based on chapter-wise analysis of the MHT CET Chemistry paper, you can get about 1 mark per paper by covering Some Basic Concepts of Chemistry. The chapter recorded 80 questions across the 80 shifts in the data, and 34 of them came in the 2025 and 2026 papers, where it contributed about 2.1% per shift.
MHT CET Some Basic Concepts of Chemistry Chapter: Question Count, Marks and Weightage:
| 1.00 Average questions per shift (2018-2026) | 34 Questions in the 2025 and 2026 papers (33 shifts) |
| 80 Questions in the PDF (2018-2026) | 2.0% Estimated Chemistry paper weightage (2.1% in 2025-2026) |
The PDF holds 80 questions from MHT CET 2026 to 2018, newest first, each with its exam date and shift. Options are as printed and answer keys are not included.
Some Basic Concepts of Chemistry PYQ Statistics (2022-2026)
The table below shows the number of questions asked in MHT CET Some Basic Concepts of Chemistry PYQs. Every shift has 50 Chemistry questions, so the last column is the average per shift divided by 50.
| Year | Total Questions (across shifts) | Shifts in the Data | Average per Shift | Weightage (out of 50 Chemistry Qs) |
|---|---|---|---|---|
| 2026 | 15 | 16 | 0.94 | 1.9% |
| 2025 | 19 | 17 | 1.12 | 2.2% |
| 2024 | 17 | 18 | 0.94 | 1.9% |
| 2023 | 8 | 12 | 0.67 | 1.3% |
| 2022 | 0 | 1 | 0.00 | 0.0% |
The 2018 to 2021 papers in the PDF add 21 more questions: 2021 had 15, 2020 had 1, 2019 had 2, 2018 had 3.
MHT CET Some Basic Concepts of Chemistry Important Questions: Based on the Last 5 Years
The major types of questions asked from Some Basic Concepts of Chemistry in MHT CET cover the following topics:
| Topic | Questions in the PDF | Questions in 2022-2026 | Average per Shift (2022-2026) |
|---|---|---|---|
| Number of molecules, atoms, electrons or ions | 19 | 17 | 0.27 |
| Moles, millimoles and the mole concept | 14 | 13 | 0.20 |
| Mass, molar mass and percentage composition | 29 | 18 | 0.28 |
| Stoichiometry, volumes at STP, atom economy and laws of combination | 18 | 11 | 0.17 |
Pair PYQs with Other Study Material for MHT CET 2027
Click on the link to practise problems and time management skills:
| Resource | Link |
|---|---|
| MHT CET Sample Paper | Check Here |
| MHT CET Mock Test | Check Here |
Question Style in MHT CET Some Basic Concepts of Chemistry PYQs
Every question in this PDF is a single-correct MCQ. Most are short calculations from the mole concept, and a few ask for atom economy or the law behind an example.
| Question Style | What it Tests |
|---|---|
| Number of molecules or atoms | The molecules in 2.125 g of ammonia, in 70 g of dinitrogen and in 2.24 dm³ of carbon dioxide at STP, and the hydrogen atoms in 5.4 g of urea |
| Electrons and ions | The electrons in 3.2 g or 1.6 g of methane, and the Cl⁻ or Ca²⁺ ions in 222 g of anhydrous calcium chloride |
| Moles from mass or volume | The millimoles in 0.160 g of sodium hydroxide, the moles in 0.448 L of dihydrogen at STP, and the moles of urea in 5.4 g |
| Atom economy | The percentage atom economy when 46 g of ethanol is obtained from 64.5 g of chloroethane and 56 g of KOH, and the formula weight of a reactant when the atom economy is given |
| Stoichiometry and laws | The volume of ammonia formed from 10 dm³ of dinitrogen and 30 dm³ of dihydrogen, the oxygen used when 24 g of carbon gives 88 g of CO₂, and the average atomic mass of chlorine |
How to Use the Some Basic Concepts of Chemistry PYQ PDF for MHT CET
- Start with the 2025 and 2026 papers first, because they hold 34 of the 80 questions.
- Keep three conversions on one line: moles = mass / molar mass, number of particles = moles × 6.022 × 10²³, and volume at STP = moles × 22.4 L.
- For atom economy, divide the formula weight of the desired product by the sum of the formula weights of the reactants and multiply by 100.
- Solve year-wise PYQs by timing yourself, as time management is crucial.
- Re-attempt only the questions you got wrong, and note which formula or step you missed.
Video: Some Basic Concepts of Chemistry PYQs and MCQs
Source: Motion Education Deccan Pune
Some Basic Concepts of Chemistry PYQ for MHT CET Chemistry FAQs
Ques. How many questions come from Some Basic Concepts of Chemistry every year?
Ans. In this PDF, the questions are 15 from 2026, 19 from 2025, 17 from 2024, 8 from 2023 and 15 from 2021 and the rest from earlier papers. In 2025 and 2026 together the chapter had 34 questions across 33 shifts, about 1.03 per shift.
Ques. Which topics are asked most frequently in MHT CET Some Basic Concepts of Chemistry?
Ans. Mass, molar mass and percentage composition is the largest group with 29 of the 80 questions, about 36%.
Ques. What kind of questions are asked from Some Basic Concepts of Chemistry?
Ans. Single-correct MCQs, mostly short calculations from the mole concept, plus a few on atom economy, stoichiometry and the laws of chemical combination.
Ques. What is the best way to practise Some Basic Concepts of Chemistry PYQs?
Ans. First solve the 2025 and 2026 questions completely, then the older ones, and finally re-attempt the questions you got wrong.
Ques. Can I score full marks from Some Basic Concepts of Chemistry?
Ans. In 2025 and 2026 together the chapter had 34 questions across 33 shifts. Learning the mole conversions and the atom economy formula is enough to secure it. Each Chemistry question in MHT CET is worth 1 mark.
Ques. Does the Some Basic Concepts of Chemistry PYQ PDF include solutions?
Ans. No. The PDF contains the questions with their exam date and shift, without answer keys or solutions.
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