Advertisements
Advertisements
प्रश्न
Explain why, there is no rise in temperature of a substance when it undergoes a change of state though heat is supplied continuously.
उत्तर
There is no rise in the temperature of a substance when it undergoes a change of state though heat is being supplied because heat is used to overcome inter-molecular force of attraction between the particles of the substance during a change in physical state.
APPEARS IN
संबंधित प्रश्न
What is the physical state of water at 250°C.
Give two reasons to justify an iron almirah is a solid at room temperature.
Mention a change which is always desirable.
The boiling point of water is 100° C. Express this in SI units (Kelvin scale).
What is the name of the process in which a solid turns directly into a gas ?
Why does a candle become smaller on burning with time?
State which of the following statement is true or false. If false write the correct statement.
The conversion of water to ice is called freezing.
Fill in the blank with the appropriate word of the statement given below:
Change of milk of curd is a _______ change.
Fill in the blank with the correct word of the statement given below:
Sublimation is _______ a change of state of matter.
Select the correct answer from A, B, C, D & E for the statement given below:
The state of matter which has ___________ least density & no free surfaces.