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Properties of metal & metal 20 Qutions |
| Answer» Physical Properties of Metals:Hardness: Most of the metals are hard, except alkali metals, such as sodium, potassium, lithium, etc. Sodium, potassium, lithium etc. are very soft metals, these can be cut using knife.Strength: Most of the metals are strong and have high tensile strength. Because of this big structures are made using metals, such as copper and iron.State: Metals are solid at room temperature except mercury.Chemical Properties of MetalsMost of the metals form respective metal oxides when react with oxygen.Metals form respective metal hydroxide and hydrogen gas when react with water. | |