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STOICHIOMETRY

Stoichiometry
The osmotic pressure of a solution increases, if its __________ is decreased.

Temperature
None of these
Solute concentration
Volume

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Stoichiometry
The evaporation of aqueous solution of sugar causes its molarity to

Remain unchanged.
increase.
Decrease.
Either A or B; depends on the concentration of the solution.

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Stoichiometry
Boiling point of a solution as compared to that of the corresponding solvent is

More
Same
Either more or less; depends upon the solvent
Less

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Stoichiometry
Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg.

80
78.51
80.38
79.62

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Stoichiometry
Validity of the relationship, inputs = outputs, holds good for the system at steady state

Without chemical reaction
With chemical reaction
None of these
Without chemical reaction & losses

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