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Class 11 Chemistry Chapter Stoichiometry Notes #1

Class 11 Chemistry Chapter Stoichiometry Notes #1 Stoichiometry is quantitative chemistry. “Calculations based on the law of conservation of mass, law of constant composition and balanced chemical equations are called stoichiometric calculations.”     Science, Society Relationship: Stoichiometry has many applications in human society. It calculates: Concentrations of different substances in a sample. Glucose in the …

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Identifying Examples of different branches of Chemistry | Class 9 Chemistry Chapter 1 Notes

Identifying examples of different branches of chemistry class 9 chemistry chapter 1 notes: 1. Photosynthesis produces glucose and oxygen from CO2 and H2O in the presence of chlorophyll and sunlight. 2. Plantation helps in overcoming the Greenhouse effect. 3. Haber’s process converts large quantities of hydrogen and nitrogen into ammonia.  4. Ammonia is a colourless …

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Chemistry definition and its branches Notes | Class 9 Chemistry Chapter 1

Class 9 Chemistry Chapter 1 Fundamentals of Chemistry Notes : Topics covered: Science Chemistry Applications of chemistry Matter Physical states of matter Branches of chemistry —————————- Science Chemistry Click to Watch -> What is Chemistry ( in Urdu) —————————- Applications of Chemistry: Matter —————————- Physical States of Matter What are the major branches of chemistry? …

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Uses of Alkanes – Hydrocarbons Notes

Do you know!!! Uses of Alkanes: Following are the uses of alkanes. Alkanes are used as fuel. e.g. refinery gas, gasoline, kerosene oil, diesel oil all are mixture of alkanes and are used as fuel. By catalytic oxidation of alkanes fatty acids (carboxylic acids) are prepared which are used in soap and vegetable oils. By …

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Free Radical Substitution, Electrophilic Substitution and Nucleophilic Substitution Reactions Notes

Do you know!! What is substitution reaction? “The chemical reactions in which an atom or group of atoms directly attached to the carbon in the substrate molecule is replaced by another more reactive atom or group of atoms are called substitution reactions”. Substrate: The molecule in which substitution takes place is called a substrate. Example: …

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General Methods of Preparation of Cyclic Alkanes- Organic Chemistry Notes

General Methods of Preparation of Cyclic Alkanes: Cyclic alkanes are prepared by the following methods: Preparation of cyclic alkanes by Hydrogenation of Cycloalkanes: Cycloalkanes react with hydrogen in presence of nickel or platinum catalyst and produce cycloalkanes. Preparation of cyclic alkanes by Hydrogenation of Aromatic Compounds: Free pdf Books are available! -> Class 11 Chemistry …

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General Methods of Preparation of Aliphatic Alkanes Notes

Methods of Preparation of Alkanes: Table of content By Hydrogenation of unsaturated hydrocarbons By Reduction of Alkyl Halides By Hydrolysis of Grignard Reagent By Wurtz’s Reaction By Decarboxylation of Mono-carboxylic Acids Kolbe’s Electrolysis Preparation of alkanes by Hydrogenation of unsaturated hydrocarbons (Sabatier Sendern’s reaction): Alkanes can be prepared by passing alkenes or alkynes over finely …

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Difference between Alpha Carbon Beta Carbon and Gamma Carbon

Alpha Carbon Beta Carbon and Gamma Carbon Organic Chemistry:          Alpha Carbon         Beta Carbon        Gamma Carbon The carbon atom to which the functional group is attached directly in an organic compound is known as alpha (α) carbon. Carbon next attached directly to alpha carbon in an organic compound is known as beta (β) …

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