Copper sulphate solution | Copper metal |
1. Electrical conductivity is due to the flow of ions. | 1. Electrical conductivity is due to the flow of electrons. |
2. It is an aqueous solution of an ionic compound. | 2. It is a metal in solid-state. |
3. It is an electrolyte | 3. It is a metallic conductor. |
4. In the solution state it undergoes a chemical change. | 4. Copper metal does not undergo any chemical change. |