The substance in a solution that dissolves the other is the .

some of the qualities most frequently associated with the baroque are grandeur, sensuous richness, drama, vitality, movement, tension, emotional exuberance, and a tendency to blur distinctions between the various arts.

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.