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Why do we use different separation techn...

Why do we use different separation techniques for mixtures like grain and husk as well as ammonium chloride and salt though both of them are heterogeneous mixtures.What is the basis for choosing a separation technique to separate mixtures?

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VGS PUBLICATION-BRILLIANT-IS MATTER PURE?-EXERCISE
  1. It is a suspension or colloidal solution ?

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  2. Is there any difference between a true solution and colloidal solution...

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  3. Why do we use different separation techniques for mixtures like grain ...

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  4. Is it possible to find out adulteration of kerosene in petrol with thi...

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  5. Arrange the gases present in air in increasing order of their boilling...

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  6. Which gas forms liquid first as the air is cooled?

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  7. Can you give few more examples of this (homogeneous mixtures) kind?

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  8. Can you prove this(path of light through the solution) with an experim...

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  9. IF the solution is diluted, can the path of light be visible?

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  10. What would happen if you add a little more solute to a solvent?

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  11. How you do determine the percentage of the solute present in the solut...

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  12. Did you ever observe this phenomenon in the cinema halls?

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  13. Is the mixture (Ammonium chloride and salt) heterogeneous ? Give reaso...

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  14. How do we separate the salt and ammonium chloride?

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  15. Can you give any examples where we use fractional distillation techiqu...

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  16. A solution contain 50 g of a common salt in 200 g of water. Calculate ...

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  17. 80 ml of solution contains 20 g of solute .Calculate the concentration...

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  18. What is meant by 'Pure substances'?

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  19. What are the factors affecting rate of dissolving?

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  20. When do you say that a solution is dilute solution?

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