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How will you separate a mixture containi...

How will you separate a mixture containing kerosene and petrol (difference in their boilling point is more than `25^(@)C`), which are miscible with each other ?

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If the difference in the boiling points of two miscible liquids is `25^(@)C` (or more), their mixture can be separted by the process of simple distillation. In this case, the difference in the boiling points of two miscible liquids, kerosene and petrol, is `25^(@)C,` therefore, a mixture containing kerosene and petrol can be separted by the process of simple distillation. This can be done as follows: The mixture of kerosene and petrol is taken in a distillation flask fitted with a thermometer and a water condenser. On heating the distillation flask with a burner, the petrol having lower boiling point distils over first and collected in a suitable container. Kerosene having higher boiling point distils over later and collected in another container (Caution : Petrol is highly inflammable. It catches fire easily).
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LAKHMIR SINGH & MANJIT KAUR-IS MATTER AROUND US PURE -Exercise
  1. What Is Meant By Pure Substances

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  2. List the points of differences between homogeneous and heterogenous mi...

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  3. Differentiate between homogeneous and heterogeneous mixtures with exam...

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  4. How are sol, solution and suspension different from each other ?

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  5. To make a saturated solution, 36 g of sodium chloride is dissolved in ...

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  6. How will you separate a mixture containing kerosene and petrol (differ...

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  7. What type of mixtures are separted by the technique of craystallisatio...

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  8. Classify the following as chemical or physical changes : ** cutting ...

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  9. Try segregating the things around you as pure substances or mixtures.

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  10. Which separation techniques will you apply for the separation of the f...

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  11. Write the steps you would use for making tea. Use the words solution, ...

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  12. Pargya tested the solubility of four different substances at different...

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  13. Explain the following given examples: {:((a),"saturated solution",(b...

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  14. Classify each of the following as a homogeneous or hetergeneous mixtur...

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  15. How would you confirm that a colourless liquid given to you is pu...

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  16. Which of the following materials fall in the category of a pure substa...

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  17. Identify the solutions among the following mixtures. (a) Soil (b) ...

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  18. Which of the following will show "Tyndall effect "? (a) Salt solutio...

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  19. Classify the following into elements, compounds and mixtures. (a) So...

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  20. Which of the following are chemical changes ? (a) Growth of a plant ...

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