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The product of the magnitude of one of the charges ( positive or negative ) and the distance between their centers is called dipole moment […]

The average energy required to break one mole of similar bonds in a substance is called bond energy. Units: It is expressed in kJ / […]

SUBLIMATION The process of direct conversion of a solid into vapours by heating without passing through the liquid phase is called sublimation. The vapours can […]

The process for obtaining crystals of a substance by cooling its hot saturated solution is called crystallization. Crystallization is used to purify the crude solid […]

Analytical Chemistry: The branch of chemistry deals with the study of analytical methods for qualitative and quantitative analysis of chemical substances. It is the science […]

The intermediate turbid liquid phase of some solids between the solid phase and clear liquid phase, showing some properties of liquids and some properties of […]

The temperature at which the vapour pressure of a liquid becomes equal to the atmospheric pressure or some other external pressure is called the boiling […]

Evaporation is a process of spontaneous change of a liquid into vapours. It is continuous at all temperatures. Explanation According to kinetic molecular theory, molecules […]

The electrostatic interaction between a strongly electronegative atom and a partially positively charged hydrogen atom is called hydrogen bonding. Two strong electronegative elements are mostly […]