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प्रश्न
Complete the following flowchart.
सारिणी
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उत्तर
| Exceptional properties of metals | |
| Properties | Exceptions |
|
1. Physical state: Metals exist mainly in a solid state at room temperature. 2. Hardness: Metals are generally hard. 3. Melting and boiling point: Metals have high melting and boiling points. |
1. Mercury and gallium exist in a liquid state at room temperature. 2. Lithium, sodium and potassium are metals which can be cut with a knife as they are very soft. 3. Sodium, potassium, mercury, and gallium have very low melting and boiling points. |
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