Gases having same reduced temperatures and reduced pressures_________________?

Byadmin March 12, 2019August 30, 2021

Gases having same reduced temperatures and reduced pressures_________________?

A. Deviate from ideal gas behaviour to the same degree
B. Have nearly the same compressibility factor
C. Both A. and B.
D. Neither A. nor B.

Stoichiometry

Quartz is__________________?

Quartz is__________________?

A. Stable form of silica upto 870°C
B. Converted to Tridymite on firing between 870 to 1470°C
C. Transformed to Cristobalite on heating above 1470°C
D. All A., B. and C.

Read More Quartz is__________________?
Stoichiometry

In physical adsorption, as compared to chemisorption, the________________________?

In physical adsorption, as compared to chemisorption, the________________________?

A. Quantity adsorbed per unit mass is higher
B. Rate of adsorption is controlled by the resistance to surface reaction
C. Activation energy is very high
D. Heat of adsorption is very large

Read More In physical adsorption, as compared to chemisorption, the________________________?
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_______________?

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_______________?

A. 10%
B. 5%
C. 18.18%
D. 20%

Read More 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_______________?
Stoichiometry

The latent heat of vaporisation__________________?

The latent heat of vaporisation__________________?

A. Decreases with increased temperature
B. Decreases as pressure increases
C. Becomes zero at the critical point
D. All A., B. & C.

Read More The latent heat of vaporisation__________________?
Stoichiometry

Chemically, mullite refractories is________________?

Chemically, mullite refractories is________________?

A. 3Al2O3.2SiO2
B. Al2O3
C. ZrSO4
D. ThO2

Read More Chemically, mullite refractories is________________?
Stoichiometry

Which equation is not an equation of state ?

Which equation is not an equation of state ?

A. PV = RT + B/V + y/V2 + ….
B. (P + a/V2)(V-b) = RT
C. loge (p/p0) = (λ/R) (1/T0 – 1/T)
D. p = [RT/(V – b)] – (a/TV2)

Read More Which equation is not an equation of state ?

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