The property to flow is unique to fluids. Which one of the following statements is correct?

'Osmosis is a special kind of diffusion'. Comment.

What happens to the heat energy that is supplied to a solid once it starts melting?

Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends,she got confused. Help her to identify the correct set of conditions.

Explain why a rubber band is considered a solid even though it is stretchable.

In which state of matter is the process of diffusion fastest?