What word would you use to describe different kinds of matter

The answer with this question you could use the characteristic properties you could say it’s a liquid or the substance in the fluid state of matter having no fixed shape but a fixed volume the example would be water. Solid gas you can include melting point boiling point whether it’s an element or a pure substance.

can you list the answers so i can answer

the dissolution of polymer can be thermodynamically described in 2 steps.