Once it has been tempered and set again, if stored properly, chocolate will last for a few weeks.
A solid
No. the density is a characteristic of the liquid itself and not dependant on the container holding the liquid. Think of it this way: would the boiling point of a liquid change with the shape of a container? Another thought: think of a very rich, dense chocolate cake, as opposed to a very light angel food cake. You can have a very thin slice of the chocolate cake, or a ridiculously decadent slab. both pieces have the same quality of denseness, even if one is much more fun to eat.
No. It expands to fill any container it's in. If you pump it out of one container and into a different one, it changes its shape to match the new container.
yes
liquid
solid
solid
solid
liquid
water and gas
A liquid is defined as something that has a constant volume but conforms to the shape of its container. This is different from a gas which has variable volume and conforms to the shape of its container. It is also different from a solid which has a constant volume and does not change to fit the shape of its container.
maintain their own shape and do not take the shape of their container.