Chapter 1: Basic Concepts – Chemistry XI First Year Punjab Board offers Chemistry course. These series of video lectures are delivered by a qualified teacher. Moreover, animations, virtual lab simulation, online assessments, games, mcqs and notes are part of this course.


It is the first and important chapter of XI Chemistry Punjab Board titled Basic Concepts. This chapter will introduce you to basic ideas of plotting observations that you get by doing experiment which lead you to hypothesis and then scientific law. You will learn to deduce chemical formula of compound with the help of quantitative analysis under the heading of Significant figures, Logarithm, Empirical and Molecular formula, Mole and Avogadro’s number and Stoichiometry. For better understanding of these calculations, Numericals have been solved with thorough explanation

These concept will be easier for you in accordance with the below mentioned features:

  • Coverage of all the topics in detail.
  • Providing topic wise assessments to Students for real time evaluation and assignments for practicing the questions.
  • Topic wise Past Papers to classify the importance of each topic.
  • Study Plan for the Students to set weekly targets.
  • WhatsApp group for student queries.


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