Crystal Glass Cabinet

Crystal Glass Cabinet
If a glass container is in a closet, but the label of what three simple tests that could be performed t?

if a glass bottle contains a blue crystal substance found in a closet, but the label on the container is difficult to read. what three simple tests that could be performed to determine whether this substance is an ionic compound?

1. It is soluble in water (not always, but a good indicator of whether it is true) 2 .. Solution conducts electricity. 3. It is crystal and solid (it is), and brittle at room temperature. 4. It has a high melting point. 5. Conducts electricity in molten state. 6. Is not soluble in nonpolar solvents, for example, ether, gasoline.