7. Metals are Solids at the Room Temperature
(except mercury which is a liquid metal). All the metals like iron, copper, aluminium,silver and gold, etc., are solids at the room temperature. Only one metal, mercury, is in liquid state at the room temperature.
Notes
Matter in Our Surroundings - Notes
1. 11. Metals Usually Have a Silver or Grey Colour
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2. The Case of a Liquid Solute Dissolved in a Liquid Solvent
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8. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
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9. 3. Non-Metals are Bad Conductors of Heat and Electricity.
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10. 1. Separation by a Suitable Solvent
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11. 6. Metals are Usually Strong. They Have High Tensile Strength.
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17. Chemical Formula for daily use material
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19. 3. Metals are Good Conductors of Heat and Electricity.
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20. To Study the Properties of a Colloid
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21. To Separate a Mixture of Alcohol and Water
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26. To Study the Properties of a Compound of Iron and Sulphur
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28. 4. Metals are Lustrous (or Shiny), and can be Polished.
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33. To Study the Properties of a Solution
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34. 7. Metals are Solids at the Room Temperature
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35. 8. Non-Metals Have Comparatively Low Melting Points and Boiling Points
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39. To Separate the Salt-Water Mixture (or Salt-Solution)
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43. To Study the Properties of a Suspension
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44. Separation Of Mixture Of a Solid And a Liquids
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49. Solutions, Suspensions And Colloids
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