11. Metals Usually Have a Silver or Grey Colour
(except copper and gold). Copper has a reddish-brown colour whereas gold has a yellow colour.
Metals are widely used in our daily life for a large number of purposes. The cooking utensils, electric fans, sewing machines, cars, buses, trucks, trains, ships and aeroplanes, are all made of metals or mixtures of metals called alloys. In fact, the list of articles made of metals which we use in our daily life is unending.
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Matter in Our Surroundings - Notes
2. 7. Metals are Solids at the Room Temperature
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3. 3. Non-Metals are Bad Conductors of Heat and Electricity.
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8. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
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9. 11. Non-Metals Have Many Different Colours.
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15. 8. Metals Generally Have High Melting Points and Boiling Points.
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19. 8. Non-Metals Have Comparatively Low Melting Points and Boiling Points
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23. To Study the Properties of a Suspension
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24. Chemical Formula for daily use material
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25. Effect of Temperature and Pressure on Solubility
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26. 1. Non-Metals are Not Malleable. Non-Metals are Brittle.
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30. Pure Substances : Elements and Compounds
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33. 3. Metals are Good Conductors of Heat and Electricity.
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34. 4. Non-Metals are Not Lustrous (Not Shiny). They are Dull in Appearance.
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36. Solutions, Suspensions And Colloids
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38. 1. Separation by a Suitable Solvent
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46. Comparison Among the Properties of Metals and Non-Metals
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47. Differences Between Mixtures and Compounds
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50. Separation Of Mixture Of a Solid And a Liquids
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