Stoichiometry

Which of the following has the smallest least effect on the solubility of a solute into the solvent ?

Byadmin March 12, 2019August 30, 2021

Which of the following has the smallest least effect on the solubility of a solute into the solvent ?

A. Nature of the solute
B. Nature of the solvent
C. Temperature
D. Pressure

Stoichiometry

The reverse process of fractional crystallisation is called__________________?

The reverse process of fractional crystallisation is called__________________?

A. Stripg
B. Leaching
C. Differential distillation
D. Absorption

Read More The reverse process of fractional crystallisation is called__________________?
Stoichiometry

The osmotic pressure of a solution increases, if its _____________ is decreased?

The osmotic pressure of a solution increases, if its _____________ is decreased?

A. Volume
B. Solute concentration
C. Temperature
D. None of these

Read More The osmotic pressure of a solution increases, if its _____________ is decreased?
Stoichiometry

Increasing the temperature of an aqueous solution will cause decrease in its________________?

Increasing the temperature of an aqueous solution will cause decrease in its________________?

A. Molality
B. Mole fraction
C. Weight percent
D. Molarity

Read More Increasing the temperature of an aqueous solution will cause decrease in its________________?
Stoichiometry

If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?

If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?

A. The solvent begins to freeze out even before
B. It will undergo no change until
C. It will not solidify even on
D. None of these

Read More If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?
Stoichiometry

For water evaporating into unsaturated air under adiabatic conditions and at constant pressure, the ____________ remains constant throughout the period of vaporisation ?

For water evaporating into unsaturated air under adiabatic conditions and at constant pressure, the ____________ remains constant throughout the period of vaporisation ?

A. Dry bulb temperature
B. Wet bulb temperature
C. Humidity
D. Relative saturation

Read More For water evaporating into unsaturated air under adiabatic conditions and at constant pressure, the ____________ remains constant throughout the period of vaporisation ?
Stoichiometry

At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

A. 273°C
B. 273°K
C. 100°C
D. 200°C

Read More At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

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