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Stoichiometry

Stoichiometry
1 torr is equal to __________ mm Hg column.

1
0.1
1000
10

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Stoichiometry
Which of the following is not used for computing latent heat of vaporisation?

Hess
Kistyakowasky's equation
Clausius-Clayperon equation
Reference substance plots based on Durhing & Othmer plots

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Stoichiometry
The latent heat of vaporisation

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

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Stoichiometry
The reverse process of fractional crystallisation is called

Absorption
Leaching
Differential distillation
Stripping

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Stoichiometry
A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c.

141.5
283
566
293

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Stoichiometry
In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute.

Remain unchanged
Increase
None of these
Decrease

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