Change of State or Phase
Change of State or Phase: Overview
This Topic covers sub-topics such as Latent Heat, Latent Heat of Fusion, Regelation, Heat of Solution, Change of State, Freezing Mixture, Latent Heat of Sublimation, Glacier Motion and, Various Effects on Melting and Boiling Points
Important Questions on Change of State or Phase
Is latent heat released during sublimation?
The heat of solution can be
a) Positive
b) Negative
c) Both positive and Negative
d) None of the mentioned
When is dissolved in of water, the temperature rose to . What is the heat of the solution? ( Sp. heat capacity 0f water( )
Explain the process of the heat of solution.
Heat of solution is always positive.
The solution which has the lowest freezing point temperature is:
Write two applications of freezing mixture
The most common ingredients of freezing mixture are water and _____.
The glaciers move due to gravity and _____.
What are the type of landforms created by the glacier motion ?
Describe process of glacier motion
What is the main cause of glacier motion?
Define heat of solution.
What is a freezing mixture? Give example
Explain the glacier motion.
Select the examples of regelation from the following.
The phenomenon in which the ice converts to liquid due to applied pressure and then re-converts to ice once the pressure is removed is called _____.
Latent heat depends on the mass of the substance.
The ice melts at a temperature lower than on application of pressure.
The phenomenon of regelation helps in skating.
