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How is common salt obtained from sea-wat...

How is common salt obtained from sea-water?

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Common salt obtained from sea-water contains 8.775% Na Cl by mass. The number of formula units of NaCl present in 25 g of this salt is :

Common salt is obtained from sea water by the process of....... .

The common salt is

How is cotton obtained from cotton flower ?

Fill up the blanks: Salt is obtained from sea water by the process of ........ .

. From the following techniques: Distillation, filtration, fractional distillation, chromatography, crystallisation, sublimation, evaporation, decantation, sedimentation. Select the method you will use to separate : Common salt from sea-water.

Is water a good conductor when common salt is added to water?

What do we get from sea water?

MBD-SEPRATION OF SUBSTANCES-EXAMPLE
  1. You are given a mixture of common salt and chalk powder .How will you ...

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  2. Distinguish between pure substance and impure substance.

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  3. How is common salt obtained from sea-water?

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  4. How will you separate pure water from sea water?

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  5. Describe the method of obtaining pure salt from impure salt.

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  6. What is filtration ?Write a few activities where this method is being ...

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  7. What are different methods of separating mixtures ?Explain any two of ...

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  8. Separation of mango and guava can be done by-

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  9. Winnowing method is used to separate light particles from ...............

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  10. The process of separating husk from grains is-

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  11. Wind is used to separate components in this method.

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  12. The object used to separate husk and dust particles from wheat flour i...

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  13. When size of particles is small ,then process used is-

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  14. Filtration is done by .......

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  15. The process of separating two immiscible liquids is ............

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  16. The solution salt in water in which no more salt can be dissolved is c...

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  17. Evaporation is used to separate-

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  18. The process of changiing water vapours into water droplets is called-

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  19. The constituent present in sea water is -

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  20. Rice is separated from husk by the process-

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