basic concepts of chemistry class 11

How to find Excess and Limiting reactants |Reagents | Chemistry

Do you know! You can easily find excess and limiting reactants Firstly, you must know that !! What is Limiting reactant and excess reactant? Limiting Reactant Definition: The reactant which is used up completely and earlier in a chemical reaction is called a limiting reactant. Limiting reactant is also known as limiting reagent . Excess …

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Important mcqs Class 11 Chemistry with Answers Chapter wise

Chapter-Wise multiple Choice Question with brief answers for Class 11 Chemistry: Chapter 1: Basic Concepts of Chemistry Important MCQs Chapter 2 :Structure of Atom Important MCQs (Part 1) Chapter 2 :Structure of Atom Important MCQs (Part 2) Chapter 3 Chemical Bonding Important MCQs (Part 1) Chapter 3 : Chemical Bonding MCQS ( Part 2) More …

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Types of Substances – Elements and Compounds Properties and Types

Substances: A sample of pure matter is called a substance or anything whose composition is uniform throughout and has well-defined physical and chemical properties is called a substance. E.g. Silver, Gold, Water, NaCl, etc. Types of Substances: They are of two types: i) Elements         ii) Compound Element  That pure substance that can’t …

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Chemical Formula | Difference between Empirical Formula and Molecular Formula – Chemistry Notes

What is Chemical Formula? The symbolic representation of a compound that shows elements in the compound and also the ratio of their atoms is called chemical formula. As elements are represented by symbols . Similarly, compounds are symbolically represented by chemical formulas . CHEMICAL FORMULAS : Calcium Carbonate = CaCO3 Water = H2O Sulphuric acid …

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