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hardness is removed by Clark's method....

______ hardness is removed by Clark's method.

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Clark's method is used for the removal of temporary hardness.
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What is the use of Clark's method?

A sample of tap water contains 366 ppm of HCO_(3)^(-) ions with Ca^(2+) ion. Now Ca^(2+) removed by Clark's method by addition of Ca(OH)_2 . Then what minimum mass of Ca(OH)_2 will be required to remove HCO_(3)^(-) ions completely from 500 g of same tap water

Total number of methods which can remove permanent hardness of water: (a) Clark's method , (b) Ion-exchange method (c) synthetic resin method (d) Calgon method (e) treatment with sodium carbonate

Both temporary and permanent hardness is removed on boiling with

PEARSON IIT JEE FOUNDATION-Water-Level-1
  1. Salt is added to pure water to increase its electrical conductivity.

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  2. Two volumes of hydrogen and one volume of oxygen compose one volume of...

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  3. hardness is removed by Clark's method.

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  4. Specific heat of water is 1 cal g^(-1) .^(@)C^(-1)

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  5. and are two types of underground water.

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  6. Hydrated sodium aluminium silicate is called .

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  7. The exhausted permutit contains and ions in place of Na^(+) ions.

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  8. In sedimentation process, alum the process of precipitation of suspen...

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  9. Addition of releases which helps in killing the harmful bacteria pre...

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  10. Addition of acid to water, the conductivity.

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  11. In electrolysis of water gas is liberated at cathode.

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  12. The change of water into water vapour at 30^(@)C at slow rate is calle...

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  13. Small water droplets associated with dust particles to form larger agg...

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  14. Percentage of water in animals varies from to .

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  15. Which of the following processes is not involved in the purification o...

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  16. Which of the following sources of water is not used for drinking purpo...

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  17. Density of water is maximum

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  18. Which of the following substances used in agriculture does not cause w...

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  19. Metals present in permutit are

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  20. Which of the following has the highest specific heat?

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