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ICSE-VIII-Physics

01: Matter Class 8 Physics

with Solutions -

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  • #
    Test Yourself
  • #
    Section : A
    Objective Questions
  • Qstn #1
    Write true or false for each statement
  • #1-a
    The temperature of a substance remains unaffected during its change of
    Ans : True.
  • #1-b
    Ice melts at 100°C.
    Ans : False. The ice melts at 0° by absorption of heat.
  • #1-c
    Water at 100°C has more heat than the steam at 100°C.
    Ans : False.
  • #1-d
    Evaporation of a liquid causes
    Ans : True.
  • #1-e
    Water evaporates only at 100°C.
    Ans : False.
  • #1-f
    Boiling takes place at all
    Ans : False.
  • #1-g
    Evaporation takes place over the entire mass of the liquid.
    Ans : False.
  • #1-h
    The process of a gas converting directly into solid is called vaporization.
    Ans : False.
    The process of a liquid converting directly into gas is called vaporization.
  • #1-i
    At high altitudes water boils above 100° C.
    Ans : False.
  • #1-j
    The melting point of ice is 0°C.
    Ans : True.
  • #2-a
    Evaporation takes place at ____ temperature.
    Ans : Evaporation takes place at all temperature.
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