Category: 4. Chemistry Chapters

Scope of Chemistry in IndustryChemistry plays an important and useful role in the development and growth of various industries. It includes industries like glass, cement, paper, textile, leather, dye etc. We also see major uses of chemistry in industries like paints, pigments, petroleum, sugar, plastics, pharmaceuticals. It has also helped to provide suitable catalysts in…

Increased comfort, pleasure, and luxuriesDue to advances in science and discoveries in chemistry, we live more comfortable lives today. You may ask how? Let’s see below. Synthetic fibers: These are more attractive, comfortable and durable. These include terylene, nylon and rayon. They are easy to wash, dry quickly and do not require ironing. Chemistry provides…

There are many events in your daily life that involve chemistry, its uses and its principles. Let’s go through them one by one. 1) Food supplyThe study of chemistry provided the world with chemical fertilizers such as urea, calcium superphosphate, sodium nitrate, and ammonium sulfate. These chemicals have greatly helped in increasing the production of…

Importants Chemistry Chapters 1.Some basic concepts of chemistryImportance and Scope of ChemistryLaws of Chemical CombinationsDalton’s atomic theoryAtoms and MoleculesAtomic and molecular massConcept of moleMolar massPercentage compositionEmpirical and molecular formulasChemical reactionsStoichiometryCalculations based on stoichiometry 2.The structure of the atomDiscovery of the ElectronProtons and neutronsatomic numberIsotopes and IsobarsThomson’s model and its limitationsRutherford’s model and its limitationsBohr’s model…