Posted inChemical Reactions and Equation Chemistry Science Chemical Reactions and Equation Posted by By gyaanbook.com Physical Change The change that only affect physical properties, but the chemical compositions remains unchanged,…
Posted inChemicals in Agriculture Chemistry Science Chemicals in Agriculture Posted by By gyaanbook.com Fertilizers Urea is the best fertilizer as it leaves only carbon dioxide after ammonia, has…
Posted inChemistry Chemistry in Everyday Life Science Chemistry in Everyday Life Posted by By gyaanbook.com If you are studying chemistry, then you must have wondered about the importance of chemistry in…
Posted inChemistry Common Elements and Compounds Science Some Common Elements and Compounds Posted by By gyaanbook.com Elements and compounds are the two forms in which pure substances exist. 1. Carbon: Carbon…
Posted inChemistry Science Structure of Atom Structure of Atom Posted by By gyaanbook.com The atomic theory of matter was first proposed by John Dalton. Fundamental particles of an…
Posted inAcids, Base and Salts Chemistry Science Acids, Base and Salts Posted by By gyaanbook.com 1. Acids An acid is a compound, produce hydrogen ions, H+ (aq), in solution, which…
Posted inPhysics Science Surface Tension Surface Tension Posted by By gyaanbook.com Cohesive Force: The force of attraction between the molecules of same substance is called cohesive…
Posted inPhysics Pressure Science Pressure Posted by By gyaanbook.com Pressure: Pressure is defined as force acting normally on unit area of the surface. Pressure…
Posted inGravitation Physics Science Gravitation Posted by By gyaanbook.com Gravitation: Everybody attracts other body by a force called force of gravitation Newton's law of…
Posted inMotion Physics Science Motion Posted by By gyaanbook.com Scalar Quantities: Physical quantities which have magnitude only and no direction are called scalar quantities.…