7. Metals are Solids at the Room Temperature
(except mercury which is a liquid metal). All the metals like iron, copper, aluminium,silver and gold, etc., are solids at the room temperature. Only one metal, mercury, is in liquid state at the room temperature.
Notes
Matter in Our Surroundings - Notes
1. 3. Non-Metals are Bad Conductors of Heat and Electricity.
Show Notes
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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8. 7. Metals are Solids at the Room Temperature
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10. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
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11. Separation Of Mixture Of a Solid And a Liquids
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12. 6. Non-Metals are Not Strong. They Have Low Tensile Strength.
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13. To Study the Properties of a Colloid
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16. To Study the Properties of a Compound of Iron and Sulphur
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17. 11. Non-Metals Have Many Different Colours.
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21. 1. Separation by a Suitable Solvent
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24. 6. Metals are Usually Strong. They Have High Tensile Strength.
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27. To Study the Properties of a Solution
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30. Separation of Mixture Of Two Solids
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36. To Distinguish a Colloid from a Solution
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38. 3. Metals are Good Conductors of Heat and Electricity.
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43. 1. Separation by Fractional Distillation
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47. Chemical Formula for daily use material
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49. Solutions, Suspensions And Colloids
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50. To Separate the Salt-Water Mixture (or Salt-Solution)
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