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Stoichiometry

Stoichiometry
A saturated vapor on being compressed would

Neither A nor B
Condense
Form wet steam
Both A & B

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Stoichiometry
The latent heat of vaporisation

Becomes zero at the critical point
Decreases with increased temperature
All of these
Decreases as pressure increases

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Stoichiometry
At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant?

200°C
273°C
273°K
100°C

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Stoichiometry
Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at

Heat conservation
Product enrichment
Yield enhancement
None of these

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Stoichiometry
Avogadro number is the number of molecules in one __________ of a gas.

Gm.mole
Litre
Kilogram
Gram

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Stoichiometry
1 gm mole of methane (CH₄) contains

3 gms of carbon
4 gm atoms of hydrogen
6.02 x 1023 atoms of hydrogen
3.01 x 1023 molecules of methane

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