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. 3. Non-Metals are Bad Conductors of Heat and Electricity.
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3. The Case of a Liquid Solute Dissolved in a Liquid Solvent
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4. 11. Metals Usually Have a Silver or Grey Colour
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7. Separation Of Mixture Of a Solid And a Liquids
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10. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
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11. To Study the Properties of a Colloid
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13. 6. Non-Metals are Not Strong. They Have Low Tensile Strength.
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17. 1. Separation by a Suitable Solvent
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20. To Study the Properties of a Compound of Iron and Sulphur
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21. 11. Non-Metals Have Many Different Colours.
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22. 6. Metals are Usually Strong. They Have High Tensile Strength.
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26. To Study the Properties of a Solution
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32. 3. Metals are Good Conductors of Heat and Electricity.
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33. Separation of Mixture Of Two Solids
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37. To Study the Properties of a Suspension
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38. Chemical Formula for daily use material
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42. To Separate a Mixture of Alcohol and Water
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49. To Separate the Salt-Water Mixture (or Salt-Solution)
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50. 1. Separation by Fractional Distillation
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