basic chemistry

Methods for making Salts – Chapter Acids Bases and Salts notes

Salt is the most well-known ingredient used in all food items to make it delicious. However, what is the mystery behind this? Let’s discuss !! Salt : Salt is an ionic compound that contains positively charged ions (cation) and negatively charged ions (anion). so, Chemical Bonding in Salt : As you know that salt is …

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Salt Definition, Examples, Properties and Uses – Chemistry

Salt is perhaps the most well-known ingredient utilized in all food items. However, what is the science behind this? We should discover more with regards to salts. What is salt? Salt is an ionic compound formed by an ionic bond. so, What is an ionic bond? The complete transfer of electron/s from one atom to …

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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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Avogadro’s Number and Mole – How is Mole Calculated

Mole is a counting device or a number like: 12 things   =  Dozen 144 things  =  Gross 2 things = Pair 1000 g    =   1k g similarly: 6.022 x 1023 particles =1 mole Mole Definition: In Chemistry , mole is defined as the amount of substance that exactly contains 6.022 x 1023 particles. . For …

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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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Difference between Formula unit and Formula mass

What is Formula unit? In Chemistry, the simplest ratio between cations & anions in an ionic compound is called formula unit. OR: Simplest unit whose repetition builds crystal is called formula unit. Usually for ionic compounds their empirical formula is their formula unit while for covalent compound their molecular formula is their formula unit. For …

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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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Class 11 Chapter 1 Some Basic Concepts of Chemistry Important mcq with answers and Explanation

Multiple Choice Questions (MCQ’s) The simplest form of pure matter is Aqua Regia Natural Gas Metallic Copper Bleaching Powder Answer ) Metallic copper Brief Explanation : Metallic copper is the simplest form of pure matter, which consists of the same kind of copper atoms having the same atomic numbers and same chemical properties An impure …

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Peculiar Behaviour of Beryllium | s-block element – mydigitalkemistry

Peculiar Behaviour of Beryllium: Beryllium is the s-block element of the modern periodic shows some differences from the rest of the members of its family. The electronic configuration of Beryllium is 1s2 2s2 The anomalous properties of beryllium is especially due the following reasons: small size high electronegativity  high ionization energy  high polarizing power (i) Beryllium atom …

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