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Some Basic Concepts of Chemistry — Syllabus

ICSE · Class 11 · Chemistry

What Some Basic Concepts of Chemistry covers in ICSE Class 11 Chemistry: 4 topics, for the 2026-27 session. Part of the ICSE Class 11 Chemistry syllabus.

89 questions49 flashcards5 formulas & key relations5 concepts

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A comprehensive flowchart illustrating the relationships between moles, mass, number of particles (atoms/molecules), and volume of gas at STP, along with the conversion factors.
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4 Topics · ICSE Class 11 Chemistry · 2026-27

Topics in Some Basic Concepts of Chemistry

1

1. Nature and Scope of Chemistry

  • Chemistry deals with materials, their preparation, properties, structure, interactions, and uses.
  • It is connected with food, medicines, fibres, polymers, fuels, metals, non-metals, air, water, plants, animals, rocks, minerals, and atmosphere.
  • The main branches are inorganic chemistry, organic chemistry, physical chemistry, and analytical chemistry.
2

2. Matter: Classification and Properties

  • Matter is anything that has mass and occupies volume.
  • Matter can be classified physically into solids, liquids, and gases.
  • Matter can be classified chemically into elements, compounds, and mixtures.
3

3. Measurement, Units, Accuracy, Precision, and Significant Figures

  • A measurement is meaningful only when expressed in a unit.
  • India adopted the metric system in 1957.
  • The metric system was introduced by the French Academy of Science in 1791.
4

4. Laws of Chemical Combination

  • Law of conservation of mass was given by A. Lavoisier.
  • During any physical or chemical change, the total mass of the products obtained is always equal to the total mass of reactants taken at the beginning of the change.
  • This law is verified using Landolt's tube with the AgNO3 + NaCl reaction.

Key Concepts

Central concept: The study of matter, its classification, measurements, laws of chemical combination, atomic and molecular concepts, mole concept, equivalents, solution concentration, and stoichiometric calculations

Importance and scope of chemistryMatter and its classificationProperties of matter and measurementPhysical quantities and SI unitsParticulate nature of matterDalton's atomic theory and its present positionLaws of chemical combinationAtomic mass and isotopic mass

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Frequently Asked Questions

What are the important topics in Some Basic Concepts of Chemistry for ICSE Class 11 Chemistry?
Key topics in Some Basic Concepts of Chemistry include Nature and Scope of Chemistry, Matter: Classification and Properties, Measurement, Units, Accuracy, Precision, and Significant Figures, Laws of Chemical Combination. Study these first, then practise questions on each for Class 11 exams.
How should I revise Some Basic Concepts of Chemistry for Class 11 exams?
Learn the core ideas first, then work through the 89 practice questions on Some Basic Concepts of Chemistry. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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