Chemistry

Matter in Our Surroundings


6. Metals are Usually Strong. They Have High Tensile Strength.


This means that metals can hold large weights without breaking. For example, iron metal (in the form of steel) is very strong having a high tensile strength. Due to this iron metal is used in the construction of bridges, buildings, railway lines, girders, machines, vehicles and chains, etc. Though most of the metals are strong but some of the metals are not strong. For example, sodium and potassium metals are not strong. They have low tensile strength.

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Notes


Matter in Our Surroundings - Notes
1. 3. Non-Metals are Bad Conductors of Heat and Electricity.
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2. The Case of a Liquid Solute Dissolved in a Liquid Solvent
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3. Saturated And Unsaturated Solutions
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4. 11. Metals Usually Have a Silver or Grey Colour
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5. 3. Separation by a Magnet
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6. 2. Non-Metals are Not Ductile.
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7. 5. Non-Metals are Generally Soft
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8. To Study the Properties of a Colloid
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9. Separation Of Mixture Of a Solid And a Liquids
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10. Physical Changes
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11. 2. Metals are Ductile.
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12. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
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13. 9. Metals Have High Densities.
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14. 11. Non-Metals Have Many Different Colours.
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15. 6. Non-Metals are Not Strong. They Have Low Tensile Strength.
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16. Concentration of a Solution
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17. 2. Separation by Centrifugation
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18. To Study the Properties of a Compound of Iron and Sulphur
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19. 1. Separation by a Suitable Solvent
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20. 5. Metals are Generally Hard
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21. Separation OF Mixtures
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22. Solutions
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23. To Prepare a Saturated Solution
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24. 9. Non-Metals Have Low Densities.
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25. 1. Separation by Filtration
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26. fvgfdgdgdgd
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27. To Study the Properties of a Solution
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28. 6. Metals are Usually Strong. They Have High Tensile Strength.
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29. Solubility
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30. Non-Metals
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31. Separation of Scrap Iron
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32. Is Matter Around Us Pure
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33. Types of Solutions
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34. Mixtures
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35. 3. Metals are Good Conductors of Heat and Electricity.
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36. Separation of Mixture Of Two Solids
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37. Properties of Non-Metals
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38. Chemical Changes
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39. Chemical Formula for daily use material
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40. Metals, Non-Metals and Metalloids
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41. The Case of Alloys
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42. Suspensions
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43. 7. Metals are Solids at the Room Temperature
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44. Properties of Metals
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45. Metals
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46. The Case of Solutions
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47. To Study the Properties of a Suspension
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48. To Separate a Mixture of Alcohol and Water
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49. 4. Purification by Crystallisation
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50. 6. Separation by Distillation
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