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Stoichiometry

Stoichiometry
The reverse process of fractional crystallisation is called

Absorption
Differential distillation
Leaching
Stripping

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Stoichiometry
Increasing the temperature of an aqueous solution will cause decrease in its

Molality
Molarity
Weight percent
Mole fraction

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Stoichiometry
Gases having same reduced temperatures and reduced pressures

Both A & B
Neither A nor B
Deviate from ideal gas behaviour to the same degree
Have nearly the same compressibility factor

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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

0.1
0.1818
0.2
0.05

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Stoichiometry
The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the

Antonie equation
Kistyakowsky equation
Trouton's rule
Kopp's rule

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Stoichiometry
Average molecular weight of air is about

21
79
23
29

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