Answer: Differences between metals and non-metals on the basis of their chemical properties.
| Metals | Non-Metals |
| 1. Oxides of metal are basic in nature. | 1. Oxides of non-metals are acidic in nature. |
| 2. Metals displace hydrogen from dilute acids. | 2. They cannot do so. |
| 3. Metals form chlorides which are electrovalent or ionic compounds. | 3. Non-metals form chlorides which are covalent compounds. |
| 4. They displace hydrogen from water | 4. They cannot do so. |
