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What is a salt bridge?
Salt bridge is a device used to link two electrodes on electrochemical cell. It maintains electrical neutrality and internal continuity. It is shown by two vertical lines separating two half cells. A salt bridge is constructed by ?lling a U shaped glass tube with saturated Potassium Chloride solution mixed with agar-agar jelly and solidifying the contents by cooling.
How can we calculate the rate of effusion of nitrogen gas from a cylinder and How much time it will take?? Ans) rate of effusion=r=(volume of nitrogen gas effusing from the cyl
Give detail about criteria of purity ?
Q. Illustrate Ionic Bonds or electrovalent bond? Ans. An ionic bond (also called an electrovalent bond) is the attraction between oppositely charged ions. Elements from o
Q. What are Changes in Matter? Matter is able to undergo two fundamental kinds of changes. Changes that don't alter the composition of matter are called physical changes. Sta
chemical properties with reactions of alkali metals
ELECTROCHEMISTRY AND ION CONCENTRATION Activity dependence of cell voltage: Measurement of galvanic cell potentials away from the standard state provides a convenient me
define term hardness,explain units of hardness
why ionisation energy of Al is greater than Ga?
Explain Newman projections The systematic name for "pullane" is 1,1-di-tert-butyl-2,4-diethylcyclopentane. Hence, structures B and C are Newman projections of the same compo
diagonal relationship and anomalous behaviour of the each element of the periodic table
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