Write true or false for the following statements:
The process of changing a solid at its melting point into liquid state, without any rise in temperature is called fusion. ________.

Write true or false for the following statements: The temperature at which a liquid changes into gaseous state without any rise in temperature is called liqudfaction point. _________

Fill in the blank spaces by choosing the correct words from the list given below: latent heat of fusion, melting point, steam, constant, latent heat of vaporisation. The amount of heat required to change 1 g of a substance at its melting point into liquid state without any rise in temperature is called specific_________.

Write true or false for the following statements: A vapour is a gaseous state of a liquid below its boiling point.

Write True or False for the following statement: The position of molecules in a liquid continuously change._____________.

Write true or false for the following statements. The force of attraction between molecules is called intermolecular force of attraction.

Write True or False for the following statement: Solids get heated by conduction only.___________

How does the density of a liquid change with the rise in its temperature?

Fill in the blank spaces by choosing the correct words from the list given below: latent heat of fusion, melting point, steam, constant, latent heat of vaporisation. The amount of heat required to change 1 g of a liquid into its gaseous state without and rise in temperature is called specific ___________.

Energy is needed when a solid at its melting point is converted into a liquid. Why ?

The process due to which a solid changes into liquid state at some fixed temperature by absorption of heat energy is known as