Question

Imagine that you move a substance from one container to another and its volume changes.

What state of matter is that substance?

gas
solid
liquid

Answer 1

I think gas.

Step-by-step explanation:

Because gas doesn't have fixed shape and size.

Answer 2

Gas

Step-by-step explanation:

If you move a substance from one container to another and its volume changes, the substance is a gas. This is because, gases do not have fixed volume and shape; their shape and volume depend on the container used.