10. Metals are Sonorous.
This means that metals make a ringing sound when we strike them. It is due to the property of sonorousness of metals that they are used for making bells, plate type musical instruments like cymbals (manjira), and wires (or strings) for stringed musical instruments such as violin, guitar, sitar and tanpoora, etc.
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Matter in Our Surroundings - Notes
2. 7. Metals are Solids at the Room Temperature
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4. 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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31. 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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37. 1. Separation by a Suitable Solvent
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38. Solutions, Suspensions And Colloids
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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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