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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
Q. Illustrate Activity Series for Metals? Ans. An activity series is a series that orders substances on the basis of their reactivity. The following diagram is the activit
A number of ionic compounds e.g.Agcl , caF 2 BaSo 4 are insoluble in water. This is because: (1) Ionic compounds do not dissolve in water (2) Water has a high dielectri
Physical properties of Phenol (a) Phenol is a colorless crystalline, deliquescent solid. It attains pink colour on exposure to air and light. (b) Phenol is capable of formin
In what aspect lithium resembles magnesium ?
The cell diagram of a mercury cell can be written Zn(s) | ZnO (s) NaOH (aq) HgO (s) HgO (I) (a) Write the electrode reactions and cell reaction with electron number z = 2.
Classification of Carboxylic acids (a) Carboxylic acids are categorized as dicarboxylic acids, tricarboxylic acids and monocarboxylic acids etc. depending upon the number of -
The maximum energy is present in any electron at: (1) Nucleus (2) Ground state (3) First excited state (4) Infinite distance from the nucleus Ans: Infinite dis
Methods for Manufacture of Soaps There are the following three methods for manufacture of soaps: (a) The cold process (b) The hot process (c) Modern process
#space lattice, unit cell, calculation of particles per unit cell, laws of crystallography, symmetry elements in crystals, derivation of braggs equation#
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