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Name the process by which the various ga...

Name the process by which the various gases of the air are separted.

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LAKHMIR SINGH & MANJIT KAUR-IS MATTER AROUND US PURE -Exercise
  1. State whether the following statements are true of false : (a) Alcoh...

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  2. Name the source from which nitrogen and oxygen are obtained on a large...

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  3. Name the process by which the various gases of the air are separted.

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  4. A carpenter wants to separted iron nails from saw-dust. Which method o...

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  5. Name any two solid substances whose mixture can be separted by sublima...

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  6. Name one pair of substances whose mixture can be separted completely b...

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  7. How will you separte a mixture of chalk powder and water?

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  8. Name the process which can be used to separte a mixture of salt soluti...

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  9. Name the process which can be used to recover salt from an aqueous sal...

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  10. Name the process which is used in milk daires to separte cream from mi...

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  11. State one application of centrifugation.

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  12. What is the general name of the process by which tea-leves are separat...

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  13. Name the process you would use to separte a mixture of water and alcoh...

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  14. Name the apparatus you would use to separate oil from water.

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  15. What differences in the properties of oid and water enable their separ...

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

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

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

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

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

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