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Illustrate the following observations:
(a) Cottrell's smoke precipitator is fitted at the mouth of the chimney used in factories.
(b) Ferric hydroxide sol. Gets coagulated on addition of sodium chloride solution.
(c) Physical adsorption is multilayered, while chemisorptions is monolayered.
Consider a SAWmodel for the same polymer, but with the ?rst monomer bonded to the wall. (This is the model we treated in class.) How many con?gurations have now been eliminated as
Q. Briefly explain about Diffusion of Gases? Ans. The following are some important points on the diffusion of gases: Gas molecules have an average kinetic energy
the density of a gas ''A'' is twice that of gas ''B'' at same temperature.The molecular mass of ''B'' is thrice that of ''A'' .the ratio of the pressures acting on A andB
what is woodwards rule
An ionic compound is generally a : (1) Good electrolyte (2)Weak electrolyte (3) Non-electrolyte (4) Neutral Ans: Good electrolyte
thermodynamics help to be a good chemist
3p orbitals has how many nodes
How to determine the hybridization of a complex compound in a easy way? Generally d-block elements have tendency to form coordination compounds. from at. no. 21 .i.e scandi
The valency of sulphur in sulphuric acid is: (1) 2 (2) 4 (3) 6 (4) 8 Ans: 6
describe graphical explanation of cryoscopy?
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