WEEKLY ASSESSMENT 2
1Mark questions:
Q. In which conversion do H2O molecules lose speed?
a) Steam  Ice
b) Ice  Water
c) Water  Steam
d) Ice  Steam
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Q. Fill in the blanks.
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Liquid ________ and change shape, thus they are not ________ and can be
called fluid.
Q. Kinetic energy of particles of water in three vessels A,B and C are EA,EB
and EC respectively and EA>EB>EC. Arrange the temperature TA, TB and
TC of water in the three vessels in decreasing order.
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a) TA>TB>TC
b) TA<TB>TC
c) TA>TB<TC
d) TA<TB<TC
Q. The change of state from liquid to gas involves particles:
I. Moving faster
II. Vibrating at fixed positions
III. Vibrating with less energy
IV. Moving further apart from each other
a) I and II only
b) I and IV only
c) II and IV only
d) II, III and IV only
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Q. Observe the diagram given below:
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CASE BASED STUDY
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