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School Physics Quiz : Change of State & Latent Heat


Answer the following questions based on the change of state and latent heat.

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Multiple choice

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1.

Vaporization point and _______ have the same numerical value.

  liquefaction point

  fusion point

  melting point

  solidification point

  Half-n-half Clue
 

2.

The fixed temperature at which a gas changes into its liquid state is called the _______.

  vaporizaton point

  solidification point

  fusion point

  liquefaction point

  Half-n-half Clue
 

3.

If 1980 J of heat are released on changing 6 g of water at 0oC to ice at 0oC, the specific latent heat of fusion for water is

  0.33 J/g

  0.66 J/g

  330 J/g

  660 J/g

  Half-n-half Clue
 

4.

The freezing point of salt water is less than 0oC.

  True

  False

 

5.

The heat gained or lost by a body during a change of state is referred to as _______ heat since there is no change in temperature.

  sensible

  latent

  specific

  Half-n-half Clue
 

6.

The amount of heat required to change a unit mass of a solid into a liquid, without changing its temperature, is referred to as the specific latent heat of _______.

  fission

  vaporization

  fusion

  Half-n-half Clue
 

7.

The process by which a solid changes into its liquid state at a certain fixed temperature by the absorption of heat is called _______.

  vaporization

  solidification

  fusion

  liquefaction

  Half-n-half Clue
 


 
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