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Name the subtance which are responsible ...

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

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  • Sample Paper 1

    OSWAAL PUBLICATION|Exercise Exercise|56 Videos

  • Sample Paper 3

    OSWAAL PUBLICATION|Exercise EXCERSICE|60 Videos

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OSWAAL PUBLICATION-Sample Paper 2-Exercise
  1. Write the lewi's dot structure of lithium molecule.Calculate its bond ...

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  2. Balance the redox reaction using oxidation number method: FE^(2+)(aq)C...

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  3. Name the subtance which are responsible for the permanent hardness of ...

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  4. Write any one method for removing permanent hardness of water,with its...

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  5. Give one suitable reason for diagonal relatioship of lithium with magn...

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  6. Name an alkali metal carbonate which is thermally unstable and why?Giv...

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  7. How would you explain lower atomic radius of Ga as compared to AI?

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  8. Write any one use of zeolite.

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  9. Define mole fraction.

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  10. Define Avogadro constant (N(A)).

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  11. Determine the empirical formula of an oxide of Iron which has 69.9% Ir...

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  12. The number of electrons.protons and neutrons in a monoatomic species a...

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  13. Calculate the wavelength,frequency and wave number of a light wave who...

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  14. How many sub-shells are there in N-shell?How many orbitals are there i...

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  15. State(n+1) rule.Write the electronic configuration of an element with ...

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  16. State Charle's law. Give the mathmatical expression.

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  17. A student forgot to add the reaction mixture to the round bottomed fla...

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  18. In each of the following precess predict the mode of energy change: Ra...

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  19. In each of the following precess predict the mode of energy change: El...

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  20. In each of the following precess predict the mode of energy change: Sk...

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