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Stoichiometry

Stoichiometry
For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become

P/3
9P
3P
9P²

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Stoichiometry
The pressure under which liquid and vapor can co-exit at equilibrium is called the __________ vapor pressure.

Saturated
Normal
Real
Limiting

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Stoichiometry
°API gravity of water at N.T.P. is about

10
100
1

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Stoichiometry
In physical adsorption, as compared to chemisorption, the

Quantity adsorbed per unit mass is higher
Activation energy is very high
Heat of adsorption is very large
Rate of adsorption is controlled by the resistance to surface reaction

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Stoichiometry
The heat of vaporisation __________ with increase in pressure.

Increases
Becomes zero at critical pressure
Decreases
Both B and C

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Stoichiometry
For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration.

Differential
Neither A nor B
Both A & B
Integral

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MORE MCQ ON Stoichiometry

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