Classification of Polymers on the Basis of Molecular Forces
The practical utility of polymers depends upon their mechanical properties such as, tensile strength, elasticity, toughness, etc. These mechanical properties depend upon the nature and...
Applications of Colloids
Colloids find many applications in our daily life and in industry. Some typical applications of colloids are given below: 1) Food Many constituents of our...
Multi-molecular, Macromolecular and Association Colloids
Colloidal solutions can also be classified on the basis of constitution of the particles of the dispersed phase. The tree types of colloids are given...
Corrosion
Generally metals that are most commonly used are strong, ductile and malleable. It get exposed to the environment when it is used due to which...
Atomic Imperfections (Atomic Defects)
The atomic imperfections (defects) are caused by some disorder in the arrangement of the constituent particles in any crystal. There are two kinds of atomic...
Factors Influencing the Rate of Reaction
The rate of reaction is governed by number of factors. Those having appreciable effect are described below: a) Nature of reactants Reactions involving polar and...
Purification of Organic Compounds
The purification of organic compounds is tedious unlike inorganic compounds because large number of them decomposes on heating, some are sensitive to other reagents and...
Combined Gas Law or the Gas Equation
Combined gas law states that, for a given mass of a gas, the product of its pressure and volume divided by its Kelvin temperature is...
Division of Periodic Table into Blocks
The long form of periodic table can be divided into four main blocks. These four main blocks are s, p, d and f –blocks. The...
Excitation and Ionization Potential
Excitation Potential The energy required to raise an atom from its ground state to an excited state is called the excitation energy. Under normal conditions,...