X-Rays
The very high energy rays which are produced by colliding fast moving electrons with heavy metal anode in the discharge tube are c…
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VAPOUR PRESSURE
The pressure exerted by (of) the vapours in equilibrium with its liquid at given temperature is called vapour pressure of liquid. …
Crystallization
The process of crystals formation is called crystallization. When a hot saturated solution of a substance is cooled, then crystals…
STRUC OF LIQUID WATER AND ICE
The structure of water is tetrahedral.The two corners of a tetrahedron are occupied by two H-atoms and other two corner are occupi…
Filtration
The process in which we separate out the insoluble particles from a liquid is called as filtration.we can use a filer paper or a f…
History and Evidence of an Atom
First of all Greek philosophers thought that matter is made up of indivisible particles which cannot be further sub-devided. Democ…
Limiting Reactant and Identification of Limiting Reactant
The reactant which controles the amount of the product in chemical reaction is called limiting reactant or the reactant which cons…
DETERMINATION OF ATOMIC MASSES BY MASS SPECTROMETRY
An instrument which measures the exact masses of different isotopes of an element is called mass spectrometer and this technique i…
Hydrogen bonding and structure of Sodium chloride
Hydrogen bonding is an electrostatic attraction or force which is always present between a partial positive hydrogen atom and a hi…
Melt And Dry Spinning
The spinning of synthetic man-made fiber is of three types.The first type is melt spinning.The second type is wet spinning and the…
