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.
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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19. Chemical Formula for daily use material
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20. 4. Metals are Lustrous (or Shiny), and can be Polished.
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22. To Study the Properties of a Compound of Iron and Sulphur
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29. To Separate a Mixture of Alcohol and Water
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31. 3. Metals are Good Conductors of Heat and Electricity.
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32. To Study the Properties of a Solution
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33. 7. Metals are Solids at the Room Temperature
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34. To Study the Properties of a Colloid
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42. To Study the Properties of a Suspension
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43. To Separate the Salt-Water Mixture (or Salt-Solution)
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46. Experiment to Obtain Coloured Component (Dye) From Ink
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