Is rubber band solid or liquid ? why?

Why do gases diffuse faster than solids or liquids ?

Why are solids rigid ?

What term is used to describe the phase change of a solid to a liquid?

Think of different solids, liquids and gases around you and group them in the given table. Is common salt a solid or a liquid?

Gallium is used as a pyrometric liquid. Why?

As a rubber band is stretched, it gets warmer, when released, it gets cooler. The correct sign of thermodynamic parameters for stretching of rubber band is