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Stoichiometry

Stoichiometry
Number of gm moles of solute dissolved in 1 kg of solvent is called its

Normality
Molarity
Formality
Molality

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Stoichiometry
If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.

None of these
It will undergo no change until
The solvent begins to freeze out even before
It will not solidify even on

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Stoichiometry
The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is

Doubled
Trebled
Halved
Unpredictable

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Stoichiometry
Size range of the colloidals particles is

50 - 200 microns
10 - 50 Angstrom
5 - 200 milli-microns
500 - 1000 microns

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Stoichiometry
The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be

0.2
0.05
0.1
0.1818

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Stoichiometry
Real gases approach ideal behaviour at

Low pressure & low temperature
High pressure & low temperature
Low pressure & high temperature
High pressure & high temperature

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