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UNITED BOOK HOUSE-SET-8-Exercise
- Write two differeneces between physisorption and chemisorption.
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- Mention the factors affecting Tyndall effect.
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- Why does the PCl5 exist but NC5 does not?
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- NH3 is stronger base than PH3 why?
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- Why do transition elements have a greater tendency to form co-ordinate...
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- Explain free radial mechanism of polymerisation with example.
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- What is sehottky defect?
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- Copper crystallises in face centred cubic lattice. Calculate the numbe...
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- What is Frenkel Defect?
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- The density of a metal (atomic mass = 60.2) with face centred cubic la...
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- Define molal depression constant.
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- Ethylene glycol is used as antifreezing agent to prevent the freezing ...
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- State Raoult's law of relative lowering of vapour pressure.
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- The vapour pressure of a solvent at 25^@C is 270 mm Hg. Calcualte the ...
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- State Kohlrausch's law.
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- Calculate the molar conductivity at infinite dilution ^^m^@ of acetic ...
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- Write the composition of electrolytes used in the extraction of alumin...
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- Write the chemical reactions occuring at the two electrodes.
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- What is used as flux in the extraction of iron from hematite?
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- Iron is not extracted from iron pyrites. Explain the reason.
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