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Stoichiometry

Stoichiometry
The total number of atoms in 8.5 gm of NH₃ is __________ x 1023.

6.02
1.204
9.03
3.01

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Stoichiometry
Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent?

Temperature
Pressure
Nature of solvent
Nature of solute

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Stoichiometry
Measurement of the amount of dry gas collected over water from volume of moist gas is based on the

Charle's law
Avogadro's hypothesis
Dalton's law of partial pressures
Boyle's law

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Stoichiometry
In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is

Increased with the increase in pressure
Unchanged by the pressure change
Independent of the temperature
Decreased with the increase in pressure

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Stoichiometry
Elements in a periodic table are arranged in order of their

Mass number
Atomic weight
Atomic number
Metallic characteristics

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Stoichiometry
The heat of vaporisation __________ with increase in pressure.

Decreases
Both B and C
Increases
Becomes zero at critical pressure

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