Question is ⇒ An ideal gas can be liquified, because, Options are ⇒ (A) its molecular size is very small., (B) its critical temperature is more than 0°C., (C) forces operative between its molecules are negligible., (D) it gets solidified directly without becoming liquid., (E) , Leave your comments or Download question paper.

Question is ⇒ An ideal gas can be liquified, because, Options are ⇒ (A) its molecular size is very small., (B) its critical temperature is more than 0°C., (C) forces operative between its molecules are negligible., (D) it gets solidified directly without becoming liquid., (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	An ideal gas can be liquified, because
A.	its molecular size is very small. [Wrong Answer]
B.	its critical temperature is more than 0°C. [Wrong Answer]
C.	forces operative between its molecules are negligible. [Correct Answer]
D.	it gets solidified directly without becoming liquid. [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be
-136.5°C
- 136.5°K
-273°C
0°K

⇒ The combustion equations of carbon and carbon monoxide are as foll
-109.5
109.5
180
100

⇒ Boiling point of a solution as compared to that of the corresponding solvent is
less
more
same
either more or less; depends upon the solvent

⇒ Applicability of Claussius-Clapeyron equation is subject to the condition that the
vapor follows ideal gas law.
volume in the liquid state is negligible.
both (a) & (b)
neither (a) nor (b)

⇒ Unit of mass velocity is
kg/m . hr
kg/m².hr
kg/hr
kg/m²

⇒ Pick out the wrong statement.
Ten times dilution of a normal solution (N) reduces its normality to N/10.
When equal weights of oxygen and methane are mixed in an empty reactor at room temperature, then the fraction of total pressure exerted by the oxygen is 1/2.
Volume occupied by 9.034 x 10²³ atoms of oxygen in ozone (O₃) at NTP will be 11200 c.c
One kg mole of an ideal gas at N.T.P occupies 22400 Nm³.

⇒ Which of the following is not a unit of pressure?
Parsec
Kilo-pascal
Bar
Newton/metre²

⇒ The density of a liquid is 1500 kg/m³. Its value in gin/litre will be equal to
1.5
15
150
1500

⇒ Equal masses of CH₄ and H₂ are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is
42744
42956
42737
42864

⇒ Internal energy of a substance comprises of the __________ energy.
vibrational
rotational
translational
all (a), (b) & (c)

⇒ 40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is
42737
42738
42739
42769

⇒ Degrees of freedom will be equal to the number of components for a system comprising of
only soluble liquid components.
partially miscible two liquid components system having two phases.
two liquid components and one solute (soluble in both the liquids).
none of these.

⇒ The most convenient way of expressing solution concentration is in terms of
mole fraction
normality
molality
molarity

⇒ In case of an unsaturated vapor-gas 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).

⇒ 1 kg/cm² is equal to
760 torr
1KPa
10 metres of water column
1 metre of water column

⇒ The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the
nature of both the gas & the liquid.
temperature.
total pressure.
none of these.

⇒ The unit of C_p in S.I. units is
W/m².°K
J/kg.°K
W/m.°K
J/m³. °K

⇒ Heat of transition is the heat evolved or absorbed, when a substance is converted from
vapor to liquid.
vapor to solid.
solid to liquid.
one allotropic form to another allotropic form.

⇒ Heat of reaction is a function of the
pressure
temperature
both(a)&(b)
neither (a) nor (b)

⇒ For a neutral solution (pH = 7), the value of[H⁺] [OH^-] is equal to
0
1
< 1
> 1

⇒ The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen.
lower than
higher than
same as
not related to

⇒ A car tyre of volume 0.057 m³ 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

⇒ Molality is defined as the number of gm moles of solute per __________ of solvent.
litre
kg
gm mole
gm

⇒ In osmosis through a semi-permeable membrane, diffusion of the
solvent is from low concentration to high concentration region.
solvent is from high concentration to low concentration region.
solute takes place.
none of these.

⇒ A very dilute solution is prepared by dissolving 'x₁' mole of solute in 'x₂' mole of a solvent. The mole fraction of solute is approximately equal to
x₁/x₂
x₂/x₁
1 - (x₁/x₂)
1/x₂

⇒ The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg. ?
0.2
0.1
0.4
0.6

⇒ 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

⇒ The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol X_M satisfies
X_M < 0.5
X_M = 0.5
0.5 < X_M < 0.64
X_M ≥ 0.64

⇒ PH value of an alkaline solution is
7
> 7
< 7
constant over a wide range

⇒ Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the
recycling
purging
bypassing
recirculation