Stoichiometry

The reverse process of fractional crystallisation is called__________________?

Byadmin March 4, 2019August 24, 2021

The reverse process of fractional crystallisation is called__________________?

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

Stoichiometry

In case of a ternary system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the______________?

In case of a ternary system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the______________?

A. Solute concentration
B. Temperature
C. Both A. & B.
D. Neither A. nor B.

Read More In case of a ternary system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the______________?
Stoichiometry

Which of the following is insensitive to changes in pressure ?

Which of the following is insensitive to changes in pressure ?

A. Heat of vaporisation
B. Melting point
C. Heat of fusion
D. Both B. and C.

Read More Which of the following is insensitive to changes in pressure ?
Stoichiometry

The heat of adsorption of a gas caused by Van der Waals forces of attraction and capillarity is equal to the heat of__________________?

The heat of adsorption of a gas caused by Van der Waals forces of attraction and capillarity is equal to the heat of__________________?

A. Normal condensation
B. Wetting
C. Sum of A. and B.
D. Difference of A. and B.

Read More The heat of adsorption of a gas caused by Van der Waals forces of attraction and capillarity is equal to the heat of__________________?
Stoichiometry

N.T.P. corresponds to__________________?

N.T.P. corresponds to__________________?

A. 1 atm absolute pressure & 0°C
B. 760 mm Hg gauge pressure & 0°C
C. 760 torr & 15°C
D. 101.325 KPa gauge pressure & 0°C

Read More N.T.P. corresponds to__________________?
Stoichiometry

Total energy at a point comprises of _____________ energy?

Total energy at a point comprises of _____________ energy?

A. Potential & kinetic
B. Pressure
C. Internal
D. All A., B. & C.

Read More Total energy at a point comprises of _____________ energy?
Stoichiometry

Which is not an acidic refractory ?

Which is not an acidic refractory ?

A. Silica
B. Fireclay
C. High alumina refractory
D. Carbon black

Read More Which is not an acidic refractory ?

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