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Density of carbon dioxide is __________ kg/Nm^{3}.  
A.  44/22400 [Wrong Answer] 
B.  44/22.4 [Correct Answer] 
C.  22.4/44 [Wrong Answer] 
D.  none of these [Wrong Answer] 
View Answer
Explanation:
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result 
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facilitates better control of the process.
improves the conversion.
increases the yield of products.
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exponentially
linearly
negligibly
⇒ The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.
less
more
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without chemical reaction.
without chemical reaction & losses.
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⇒ Solutions having the same osmotic pressure are called __________ solutions.
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⇒ For an ideal gas, the compressibility factor
decreases with pressure rise.
is unity at all temperature.
is unity at Boyle's temperature.
zero.
⇒ The unit of dynamic viscosity is
stoke
poise
gm/cm sec.
both (b) & (c)
⇒ One 'Therm' is equivalent to
10^{5} BTU
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10^{9} BTU
10^{9} kcal
⇒ In case of vaporliquid equilibria, which of the following does not account for gas phase deviation from ideality?
Use of equation of state
Fugacity coefficient
Activity coefficient
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⇒ Pick out the wrong unit conversion.
1 J = 1 W.Second = 10^{7} ergs = 9.5 x 10^{4} BTU = 0.2389 calorie
1 Watt = 746 hp


⇒ For estimation of heat capacity of a solid compound, one can use
Clayperon's equation
Gibb's equation
Kopp's rule
Trouton's rule
⇒ A car tyre of volume 0.057 m^{3} is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is
380
630
760
880
⇒ If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will
remain unaltered
increase nine fold
increase three fold
decrease three fold
⇒ Isotonic solutions must have the same
viscosity
molar concentration
normality
critical temperature
⇒ Kopp's rule is concerned with the calculation of
thermal conductivity.
heat capacity.
viscosity.
surface tension.
⇒ Which of the following gases will have the highest kinetic energy per mole at the same pressure & temperature ?
Chlorine
Nitrogen
Ethane
All the gases will have the same KE
⇒ In case of an unsaturated vaporgas mixture, the humid volume increases with increase in the
total pressure.
absolute humidity at a given temperature.
both (a) and (b).
neither (a) nor (b).
⇒ The value of Trouton's ratio (λ_{b}/T_{b}) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and T_{b} = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton's ratio of __________ liquids.
polar
nonpolar
both (a) & (b)
neither (a) nor (b)
⇒ One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m^{3}. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m^{3}. The amount of water vapour condensed (in kg) is
0
0.065
0.1
1
⇒ 80 kg of Na_{2}SO_{4} (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na_{2}SO_{4} .10H_{2}O crystals separate out. The weight fraction of Na_{2}SO_{4} in the remaining solution is
0
0.18
0.24
1
⇒ If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its
bubble point.
saturation temperature.
dew point.
both (b) and (c).
⇒ "The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes". This is the __________ law.
Dalton's
Amgat's
GayLussac's
Avogadro's
⇒ On mixing 56 gm of CaO with 63 gm of HNO_{3}, the amount of Ca(NO_{3})_{2} formed is __________ gm.
82
164
41
8.2
⇒ Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of
mixing
adsorption
wetting
complete wetting
⇒ 1 BTU/ft^{3} is approximately equal to __________ kcal/m^{3}.
1
9
4
252