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Name the process which can be used to pu...

Name the process which can be used to purify an impure sample of copper sulphate.

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LAKHMIR SINGH & MANJIT KAUR-IS MATTER AROUND US PURE -Exercise
  1. What differences in the properties of oid and water enable their separ...

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  2. (a) Name the process be which common salt is obtained from sea-water ...

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  3. Name the process which can be used to purify an impure sample of coppe...

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  4. (a) Name the process by which all the dye can be recovered from black ...

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  5. Which techique is used in a washing machine to squeeze our water from ...

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  6. Which technique can be used to detect and identify traces of poison pr...

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  7. Fill in the following blanks with suitable words: (a) Miscible liqui...

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  8. How will you separte a mixture containing sand and sugar ?

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  9. What difference in the properties of common salt and sand would enable...

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  10. Describe a method to separte a mixture of common salt and sand.

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  11. How would you separte a mixture of sugar and salt?

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  12. How will you separte a mixture of sand and potash alum.

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  13. Write a method to separte mixture of sand and potash alum.

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  14. How would you obtain sodium chloride from a mixture of sodium choride ...

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  15. How would you separate iodine from a mixture of iodine and common salt...

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  16. Describe a method to separte a mixture of camphor and sand.

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  17. How will you separte a mixture of iron filings and powdered carbon ?

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  18. How will you separte a mixture of iron filing and sulphur powder witho...

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  19. How is scrap iron separted from a heap of waste meterials in factories...

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  20. How is the impurity of iron present in several substances removed in i...

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