ChemistryChromatography Prime objective of this lecture is to preseny Thin Layer Chromatography. It works with series of spots forms, measure Rf values and Coloured compounds & colourless compounds. Chromatogram…
ChemistryIntermolecular Forces Major objective of this lecture is to discuss on Intermolecular Forces. Covalent bonds exist between atoms within a molecular compound, these covalent bonds are called intramolecular…
ChemistryPolar Molecules Basic objective of this lecture is to focus on Polar Molecules. This lecture briefly presented on are molecules that contain polar bonds necessarily polar and determine if…
ChemistryChemical Bonding Overview General objective of this lecture is to focus on Chemical Bonding. Here major focus to describe on Covalent Bonding, Ionic and Metallic Bonding, Electronegativity, Molecular Shape, Polarity, Ionic Crystals, Network Solids and Intermolecular…
ChemistryElectronegativity Electronegativity is the type of bond formed between a pair of atoms is determined by the ability of the atoms to attract electrons from the…
ChemistryChemical Bonding Major purpose of this lecture is to discuss on Chemical Bonding. A chemical bond results from strong electrostatic interactions between two atoms. The nature of the…
Modern CivilizationWorld War One Prime purpose of this lecture is to discuss on World War One. Immediate cause of this war is assassination of Archduke Francis Ferdinand by Gavrilo Princip, June 28th,…
ChemistryCarboxylic Acids Basic objective of this lecture is to discuss on Carboxylic Acids and their derivatives. Here also Physical properties of alcohols Molecules have attractive forces between the molecules called hydrogen…
ChemistryBuoyancy General objective of this lecture is to describe on Buoyancy. Buoyancy is the ability of an object to float. It is related to the object’s density. Density is…
ChemistryBoyle’s Law Major objective of this lecture is to explain on Boyle’s Law. Law States that: ‘for a fixed mass of gas kept at constant temperature the volume of…
ChemistryUnderstanding Chemical Reactions Primary objective of this lecture is to focus on understanding Chemical Reactions. For a chemical reaction to occur, bonds must be both formed and broken. Reactions…
ChemistryBlast Furnace The purpose of a blast furnace is to reduce and convert iron oxides into liquid iron called “hot metal”. The blast furnace is a huge,…