Topic: States of Matter - Gases and Liquids, Test No.: 03, Total MCQs: 10
Congratulations - you have completed Topic: States of Matter - Gases and Liquids, Test No.: 03, Total MCQs: 10.
You scored %%SCORE%% out of %%TOTAL%%.
Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Question 1 |
A gas will
approach ideal behaviour at
high temperature, low pressure | |
low temperature, high pressure | |
low temperature, low pressure | |
high temperature, high pressure |
Question 2 |
According to
the kinetic theory of gases, in an ideal gas, between two successive collisions
a gas molecule travels
in a wavy path | |
in a straight line path | |
with an accelerated velocity | |
in a circular path |
Question 3 |
At 100K r.m.s
velocity of a gas is 104 cm/sec hence at what temperature r.m.s velocity
becomes 3 ×104cm/sec
900°C | |
327°C | |
627°C | |
127°C |
Question 4 |
At 400 K, the
root mean square (rms) speed of a gas X (molecular weight = 40) is equal to the
most probable speed of gas Y at 60 K. The molecular weight of the gas Y is
4 | |
6 | |
8 | |
10 |
Question 5 |
At 400K
temperature and 0.0821 Pressure the density of Carbon dioxide is (gm/lit)
0.01 | |
0.11 | |
2.5 | |
4.4 |
Question 6 |
By what ratio
the average velocity of the molecule in gas change when the temperature is
raised from 50 to 200°C?
1.21/1 | |
1.46/1 | |
1.14/1 | |
4/1 |
Question 7 |
Dalton’s law of partial pressures is applicable to which one of the following
systems?
CO + H2 | |
H2 + Cl2 | |
NO + O2 | |
NH3 + HCl |
Question 8 |
Equal masses
of ethane and hydrogen are mixed in any empty container at 25°C. The fraction
of total pressure exerted by hydrogen is
1: 2 | |
1 : 1 | |
1 : 16 | |
15: 16 |
Question 9 |
For one mole
of an ideal gas, increasing the temperature from 10°C to 20°C ______.
increases the rms velocity by √2 times. | |
increases the average kinetic energy by two times. | |
increases both the average kinetic energy and rms velocity, but not significantly. | |
increases the rms velocity by two times. |
Question 10 |
At 27°C a
closed vessel contains equal weight of He, CH4 and SO2
exerts a pressure of 210 mm. and partial pressures of He, CH4 and SO2
are P1, P2 and P3. Which one of the following is correct?
P3 > P2 > P1 | |
P1 > P2 > P3 | |
P1 > P3 > P2 | |
P2 > P3 > P1 |
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
There are 10 questions to complete.