1 |
Which of the given has hydrogen bonding. |
CH4
CCl4
NH3
NaCl
|
2 |
Acetone and chloroform are soluble in each other due to. |
Intermolecular hydrogen bonding
Dipole dipole interaction
Instantaneous dipoles
All of the above
|
3 |
London dispersion force are the only forces present among the. |
Molecules of water in liquid state
Atoms of helium in gaseous state at high temperature
Molecule of solid iodine
Molecules of hydrogen chloride gas
|
4 |
Dipole-dipole forces are present among. |
Molecules of Iodine
Atoms of Neon i gaseous state
Chloroforms' molecules
CCl4 molecules
|
5 |
The temperature of natural plasma is about. |
200000 <sup>o</sup>C
10000<sup>o</sup>C
5000<sup>o</sup>C
1000<sup>o</sup>C
|
6 |
A real gas obeying Van der Waal's equation will resemble ideal gas if. |
Both a and b are large
Both a and b are small or zero
A is small and b is large
A is large and b is small
|
7 |
The deviation of a gas from ideal behavior is maximum at. |
-10 <sup>o</sup>C and 5.0 atm
-10<sup>o</sup>C and 2 atm
0<sup>o</sup>C and 2 atm
100<sup>o</sup>C and 2 atm
|
8 |
Which of the following will have highest rate of diffusion |
O2
CO2
NH3
SO2
|
9 |
The spreading of fragrance of a rose or scent in air is due to. |
Effusion
Diffusion
Osmosis
Evaporation
|
10 |
Feeling uncomfortable breathing in un pressurized cabins is due to |
High pressure of CO2
Fatigue
Low pressure of O2
Low presssure of CO2
|
11 |
The partial pressure of oxygen in lungs is |
760 torr
320 torr
159 torr
116 torr
|
12 |
The commonly used unit of pressure by meteorologists is. |
Atmosphere
Pascal
Milli
Pound inch3
|
13 |
Vapour pressure of liquid depends upon |
Amount of liquid
Surface area
Temperature
Size of container
|
14 |
Partial pressure of oxygen in the air is. |
156 torr
157 torr
158 torr
159 torr
|
15 |
Pressure remaining constant at which temperature the volume of a gas will come twice of what it is at 0 oC |
546 <sup>o</sup>C
200 <sup>o</sup>C
546 K
273 K
|
16 |
Mass of 22.4 dm3 of N2 at STP is. |
28 gm
14 gm
1.4 gm
2,8 gm
|
17 |
The molar volume of CO2 is maximum at. |
STP
127 <sup>o</sup>C and 1 atm
0 <sup>o</sup>C and 2 atm
273 <sup>o</sup>C and 2 atm
|