A student wants to determine whether an unknown cold wantonic compound to put some in water and find that it does not dissolve. It says that this proves the solid is tonte, which best evaluate the student's reasoning?
1) He is incorrect, because water can disolve on solid
2) The test proves nothing because water dissolves all solide
3) He is correct, because polar liquid cannot dissolve lonie solids
4) The test proves nothing because it only shows that the sold is a compound
