How many questions come from Some Basic Concepts of Chemistry in NEET?

Some Basic Concepts of Chemistry was examined 30 times across the 13 NEET papers from 2013 to 2025 — about 2.3 questions (9 marks) per paper.

Is Some Basic Concepts of Chemistry important for NEET 2027?

Yes — at roughly 2.3 questions a paper it is one of the higher-yield Chemistry chapters, and the NEET 2027 syllabus (NMC/UGMEB, December 2025) retains it.

How can I practice Some Basic Concepts of Chemistry for NEET for free?

nextAIR holds 112 tagged questions on Some Basic Concepts of Chemistry across 36 concepts. Adaptive practice and a timed chapter test both start from this page, free, with no signup.

Practice & Test Some Basic Concepts of Chemistry

Class 11 Chemistry · Chapter 1. Practice 112 free NEET 2027 questions on Some Basic Concepts of Chemistry (Class 11 Chemistry), across 36 concepts. Asked ~2.3× per paper since 2013.

nextAIR's analysis of 4,858 tagged NEET questions (2013–2026) finds Some Basic Concepts of Chemistry draws about 1.62 questions per paper in the recent sittings (2023–2026), against 1.24 per paper historically — trend up.

112

Practice questions

Concepts tagged

Asked 2013–2025

2.3×

Per paper

Part of the Some Basic Concepts In Chemistry unit in NEET Chemistry.

How much does Some Basic Concepts of Chemistry matter?

Across the 13 NEET papers from 2013 to 2025, Some Basic Concepts of Chemistry has been examined 30 times — an average of 2.3 questions per paper. At 4 marks each, that is roughly 9 marks a year riding on this one chapter. Where it sits against every other chapter, weighted to the eight most recent papers with 2026 included, is in the NEET 2027 chapter-wise weightage.

Most repeated in Some Basic Concepts of Chemistry

Topics by share of the 8 most recent NEET sittings in which they appeared, from nextAIR's 4,858-question PYQ pack (2013–2026).

Mole Concept and molar massasked 10× · 0.62 per paper recently · trend up62.5%repeat
Stoichiometry and Stoichiometric Calculationsasked 12× · 0.38 per paper recently · trend down37.5%repeat
Percentage compositionasked 5× · 0.38 per paper recently · trend up37.5%repeat
Uncertainity In measurementasked 2× · 0.12 per paper recently · trend up12.5%repeat
Concentration Methodsasked 2× · 0 per paper recently · trend down0%repeat

All most-repeated NEET topics

What gets asked: 34 concepts

Every question in the bank is tagged to one of these, so practice can target the exact idea you keep missing.

Atomic and Molecular MassAverage Atomic MassAvogadro NumberAvogadro's HypothesisBalancing Chemical EquationsCalculation of Average Atomic Mass from Isotopes of an ElementCalculation of Number of Moles from the Given Number of ParticlesCalculation of Number of Moles from the Mass of a SampleCalculation of Number of Moles from the Volume of GasesCalculation of Number of Moles Using a Limiting ReagentCalculation of Percentage Yield of a Product Using a Limiting ReagentCalculations Involving Mole-mole RelationCalculations Involving Mole-volume RelationCalculations Involving Weight-weight RelationChemical Equations and StoichiometryConcentration TermsDetermination of Percentage Composition of a CompoundEmpirical FormulaGay-Lussac's Law of Gaseous VolumesLaw of Definite ProportionsLaw of Multiple ProportionsLaws of Chemical CombinationLimitations of Dalton's Atomic TheoryLimiting ReagentMeasurement of Matter and Uncertainty in MeasurementMolalityMolarityMole ConceptMole FractionPrinciple of Atomic ConservationRelation between Empirical Formula and Molecular FormulaRelation between Various Concentration TermsSteps Involved in Determination of Empirical Formula of a CompoundWeight/weight Percentage

Sample questions

Question 1

Which one of the followings has maximum number of atoms ?

Question 2

What is the SI unit of amount of substance?

Question 3

What is the number of significant figures in 0.005080?

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Frequently asked

How many questions come from Some Basic Concepts of Chemistry in NEET?: Some Basic Concepts of Chemistry was examined 30 times across the 13 NEET papers from 2013 to 2025 — about 2.3 questions (9 marks) per paper.
Is Some Basic Concepts of Chemistry important for NEET 2027?: Yes — at roughly 2.3 questions a paper it is one of the higher-yield Chemistry chapters, and the NEET 2027 syllabus (NMC/UGMEB, December 2025) retains it.
How can I practice Some Basic Concepts of Chemistry for NEET for free?: nextAIR holds 112 tagged questions on Some Basic Concepts of Chemistry across 36 concepts. Adaptive practice and a timed chapter test both start from this page, free, with no signup.