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Stoichiometry

Stoichiometry
The reverse process of fractional crystallisation is called

Stripping
Differential distillation
Leaching
Absorption

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Stoichiometry
The average value of heat of neutralisation of dilute solution of strong acids and strong bases is about __________ kcal/kg.mole of water formed.

2481
13360
97302
6680

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Stoichiometry
Kopp's rule is useful for the determination of

Heat capacities of gases
Molal heat capacities of gases
Heat capacities of solids
Activation energy

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Stoichiometry
Percentage saturation of a vapor bearing gas is always __________ the relative saturation.

Smaller than
Either A or B; depends on the system
Equal to
Higher than

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Stoichiometry
1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour?

15
5
10
20

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Stoichiometry
The heat of solution depends upon the

Nature of solute
All of these
Nature of solvent
Concentration of solution

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