Separation Of Mixture Of Two (Or More) Liquids
All the mixtures containing two (or more) liquids can be separated by one of the following two methods :
(i) By the process of fractional distillation.
(ii) By using a separating funnel.
Before we discuss the separation of mixtures containing two (or more) liquids, we should know the meaning of 'miscible liquids' and 'immiscible liquids'. This is given below.
Those liquids which mix together in all proportions and form a single layer (when put in a container),are called miscible liquids. Alcohol and water are miscible liquids because they mix together in all proportions and form a single layer on mixing (The scientific name of common alcohol is ethanol). Water and acetone are also miscible liquids (The scientific name of acetone is propanone). A mixture of miscible liquids is separated by the process of fractional distillation.
Those liquids which do not mix with each other and form separate layers (when put in a container),are called immiscible liquids. Oil and water are immiscible liquids because they do not mix with each other, and form separate layers on mixing (oil can be mustard oil, groundnut oil, kerosene oil, etc.) Water being heavier forms the lower layer, and oil being lighter forms the upper layer. Petrol and water are also immiscible liquids.A mixture of immiscible liquids is separated by using an apparatus called separating funnel. We will now describe the separation of mixtures containing two (or more) liquids in detail.
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Matter in Our Surroundings - Notes
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4. 11. Metals Usually Have a Silver or Grey Colour
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6. To Study the Properties of a Colloid
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11. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
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13. Separation Of Mixture Of a Solid And a Liquids
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15. 1. Separation by a Suitable Solvent
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16. 6. Non-Metals are Not Strong. They Have Low Tensile Strength.
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19. 11. Non-Metals Have Many Different Colours.
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20. 6. Metals are Usually Strong. They Have High Tensile Strength.
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22. To Study the Properties of a Compound of Iron and Sulphur
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28. To Study the Properties of a Solution
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34. To Separate a Mixture of Alcohol and Water
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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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39. To Separate the Salt-Water Mixture (or Salt-Solution)
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41. Chemical Formula for daily use material
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46. To Study the Properties of a Suspension
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48. 1. Non-Metals are Not Malleable. Non-Metals are Brittle.
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