Vapour Pressure When a liquid is placed in a closed container, it evaporates and converts to vapour. After some time,  ….Read More >>

SECTION 1 : REDOX REACTIONS Oxidation and reduction are complementary to each other one can not take place alone. So  ….Read More >>

SECTION 1 : CONCEPT OF EQUIVALENT MASS CLASSICAL DEFINITION It is defined as the number of parts by weight of  ….Read More >>

CHARACTERISTICS OF EQUILIBRIUM STATE Chemical equilibrium is dynamic in nature. At constant temperature, certain properties such as pressure, concentration, density  ….Read More >>

SECTION 1 : SOME BASIC TERMS OF THERMODYNAMICS System : A system is defined as that part of the universe  ….Read More >>

Mendeleev’s Periodic Table Periodic Law “The physical and chemical properties of elements are a periodic function of their atomic masses.” On  ….Read More >>

SECTION 1 : CONSTITUENTS OF AN ATOM As discussed above, the ultimate particle of matter is not the atom. As  ….Read More >>

SECTION 1 : LAWS OF CHEMICAL COMBINATION 1.1 THE LAW OF CONSERVATION OF MASS (LAVOISER, 1744) : This law states  ….Read More >>