2. Q1 – On heating energy of the
substance :
a) decreases
b) increases
c) some time increases and
other time decreases
d) there is no relationship
between energy and
temperature
3. Q2 – Kinetic energy in liquid
state is :
a)lesser than gases
b)greater than gases
c) lesser than solids
d)all the statements are
wrong
4. Q3 – Kinetic energy is
least in :
a)GASES
b)SOLIDS
c) LIQUIDS
d)Kinetic energy is
equal in all the state
5. Q4 – For Boyle’s low the correct
relationship is :
a)P/V = constant
b)P/T = constant
c) PV = constant
d)V/T = constant
6. Q5 – The correct expression
for ideal gas equation is :
a)PV/RT = n
b)PR/VT = n
c)PT/VR = n
d)PVT = n R
7. Q6 – The volume of gas is 0 at :
a)0 K
b)0° C
c) 0°F
d)none of the above
8. Q7 – 1 atm pressure is equal to :
a) 1.0134×10⁴ pa
b) 1.0134×10 pa
c) 1.0134×10⁵pa
d) 1.0134×10⁶pa
3
9. Q8 – To measure the pressure of
gas in a closed vessel , the device
used is :
a) Thermometer
b) Barometer
c) Galvanometer
d) manometer
10. Q9 – At 0°c and 1 bar pressure ,
volume of 1 mole of a gas is :
a)22.7 L
b)6.02×10 L
c) 22.4 L
d)4.032 L
23
11. Q10 – At critical point of substance
in gaseous state and liquid state
are same :
a) Temperature
b) Densities
c) Volumes
d) Pressures
12. Q11 – Which is not a sublime
substance ?
a) Ammonium chloride
b) Barium chloride
c) Camphor
d) Iodine
13. Q12- Oil drop are spherical due
to its :
a) Viscosity
b) Surface pressure
c) Surface tension
d) Density
14. Q13 - Which is a good
conductor of electricity ?
a) S iC
b) Diamond
c) Graphite
d) None of the above
15. Q14 - Which is a molecular solid :
a) Sodium
b) Magnesium
c) Iodine
d) Diamond
16. Q15 - Water has high boiling point
due to :
a) Its universal dissolving
nature
b) Gapes between water
molecules
c) Presence of free electrons
d) Hydrogen bonding
17. Q16 - The rate of diffusion of methane
at a given temperature is twice that of
gas X the molecular mass of X is :
a)64
b)32
c) 8
d)4
18. Q17 - At the same temperature and
pressure which pair has same rate of
diffusion :
a) SO2 and CO22
b) NH3 and CL2
c) N2O and CO2
d) CO2 and NO2
19. Q18 - Equal masses of hydrogen and
methane are placed the ratio in partial
pressure of hand ch4 is :
a) 1:8
b) 8:1
c) 1:16
d) 16:1
20. Q19 - A gas behave most like to
ideal gas under condition of :
a) high pressure and low temperature
b) high pressure and high temperature
c) Low pressure and high temperature
d) Low pressure and low temperature
21. Q20 - If vapour densities of O2 and H2
are 16 and 1 then the ratio of diffusion
of H2 to that of diffusion of O2 is :
a) 16
b) 4
c) 1/16
d) 1/4
