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What is the chemical used in Clarke's pr...

What is the chemical used in Clarke's proceststo remove temporary hardness of water?

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What is temporary hardness of water?

The process used for the removal of hardness of water is

Name the salt which causes temporary hardness of water.

Water softening by Clark.s process uses

Name the subtance which are responsible for the permanent hardness of water

OSWAAL PUBLICATION-Solved Paper 2020-2-Exercise
  1. Calculate bond order of Oxygen molecule and mention its magnetic prope...

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  2. Balance the redox reaction using oxidatin numver method: MnO4^-(aq)rar...

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  3. What is the chemical used in Clarke's proceststo remove temporary hard...

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  4. Give the preparation of sodium hydroxide by Caster-Kellner-Cell method...

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  5. Mention any 2 difference between diamond and graphite.

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  6. Write the structure of inorganic benzene.

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  7. Find the empirical formula of a compound which contain 33.18% of carbo...

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  8. State Avogadro law and write mathematical form.

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  9. How many significant figures are there in the number,0.0025?

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  10. Write the three postulates of Bohr.s atomic model.

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  11. Write the electronic configuration of copper(Z=29).

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  12. Calculate the energy of radition with wave length 500nm.

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  13. State Heisenberg’s uncertainty principle.

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  14. Name the spetral lines which lies in the UV region.

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  15. Write the postulates of kinetic theory of gases.

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  16. Why drops and bubbles are spherical in shape?

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  17. State and illustrate Hesse's law.

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  18. Write the mathematical form of the first law of thermodynamics.

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  19. What is the unit of entropy ?

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  20. What do you mean by isolated system ? Given an example also.

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