Medical Entry test MCQs [Chemistry] Ch. 3

These MCQs are from Chemistry book 1 chapter 3 and are specially prepared for Medical entry test.
1-which of the following has the least critical temperature
a-NH3
b-H2O
c-O2
4-CO2

2-kinetic energy of 3 moles of a gas is
a-3RT
b-RT/2

c-2RT
d-3/2RT

3-the value of gas constant depends upon
a-temp
b-volume
c-no of moles
d-units of volume and pressure

4-at which temp, the hydrogen will have same kinetic energy as nitrogen molecules at 280K/
a-280K
B-400K
C-40K
D-50K

5-the root mean square velocity of an ideal gas at constant pressure varies with demsity as
a-d^2
b-d
c-(d)^1/2
d-1/(d)^1/2

6-which of the following deviates more from the ideal gas behaviour?
a-HCL
B-CH4
C-He
d-N2

7-oxygen gas contained in a flask at S.T.P was replaced by SO2under same conditions . the weight of S02 will be
a-equal to O2
b-half of O
c-twice that of O2
d-thrice that of O2

8-which of the following molecules have max root mean square velocity at 25 degree
a-CO2
B-H2S
C-NH3
D-SO2

9-equal volumes of H2 and He are present in the same vessel.the pressure exerted by H2 and He are in the same ratio
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