A. ‘Reduced temperature’ of a substance is the ratio of its existing temperature to its critical temperature, both expressed on Celsius scale
B. ‘Reduced pressure’ is the ratio of the existing pressure of a substance to its critical pressure
C. ‘Reduced volume’ is the ratio of the existing molal volume of a substance to its critical molal volume
D. None of these
Stoichiometry
Stoichiometry
A. Heat capacity of a diatomic gas is higher than that of a monatomic gas
B. Equal volumes of Argon and Krypton contain equal number of atoms
C. Total number of molecules contained in 22.4 litres of hydrogen at NTP is 6.023 x 1023
D. The binary mixture of a particular composition in both vapor and liquid state is known as an azeotropic mixture
A. A vapor is termed as a saturated vapor, if its partial pressure equals its equilibrium vapor pressure
B. A vapor whose partial pressure is less than its equilibrium vapor pressure, is termed as a ‘superheated vapor’
C. The temperature at which a vapor is saturated is termed as the boiling point
D. The difference between the existing temperature of a vapor and its saturation temperature (i.e.dew point) is called its ‘degree of superheat’
A. 1 atm
B. 10 torr
C. 0.98 Pascal
D. 1 kgf/cm2
A. Independent of temperature
B. Increases with rise in pressure
C. Increased with decrease in pressure
D. Unchanged with pressure changes
A. Significantly less than 4.69 atm
B. Nearly equal to 4.69 atm
C. Significantly more than 4.69 atm
D. Indeterminate due to lack of data
A. Less than 100°C
B. 100°C
C. Between 100 and 110°C
D. 110.6°C
A. 80.1°C
B. Less than 80.1°C
C. 100°C
D. Greater than 80.1°C but less than 100°C
A. Decreases with pressure rise
B. Is unity at all temperature
C. Is unity at Boyle’s temperature
D. Zero
A. Is saturated
B. Is unsaturated
C. Shows negative deviation from Raoult’s law
D. Shows positive deviation from Raoult’s law