Practice & Test Some Basic Concepts of Chemistry

Class 11 Chemistry · Chapter 1. Practice 76 free NEET 2027 questions on Some Basic Concepts of Chemistry (Class 11 Chemistry), across 28 concepts. Asked ~2.3× per paper since 2013.

76
Practice questions
28
Concepts tagged
30
Asked 2013–2025
2.3×
Per paper

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.

What gets asked: 28 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 MassAvogadro NumberAvogadro's HypothesisCalculation 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 GasesCalculations Involving Mole-mole 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 CombinationLimiting ReagentMeasurement of a MatterMeasurement of Matter and Uncertainty in MeasurementMolalityMolarityMole ConceptMole FractionPrinciple of Atomic ConservationRelation between Empirical Formula and Molecular FormulaRelation between Various Concentration TermsSignificant FiguresWeight/weight Percentage

Sample questions

Question 1

The number of moles of oxygen atoms present in $44\ \text{g}$ of $\text{CO}_2$ is (Atomic masses: $\text{C}=12$, $\text{O}=16$):

Question 2

$3\ \text{g}$ of $\text{H}_2$ reacts with $29\ \text{g}$ of $\text{O}_2$ according to $2\text{H}_2 + \text{O}_2 \rightarrow 2\text{H}_2\text{O}$. The mass of water formed is:

Question 3

The volume of $0.1\ \text{M}$ $\text{H}_2\text{SO}_4$ required to completely neutralise $20\ \text{mL}$ of $0.2\ \text{M}$ $\text{NaOH}$ is:

Start practicing Some Basic Concepts of Chemistry now

Practice adapts as you go — get one wrong and the next question targets the same concept instead of moving on. Or sit a timed test to see where you actually stand.

Free · starts instantly · no signup

Other high-weightage Chemistry chapters