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Why CaF2 is insoluble in water? What typ...

Why `CaF_2` is insoluble in water? What type of bonding is observed in `Li IH_4`?

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 4-EXERCISE
  1. Calculate the frequency and kinetic energy of a photon having waveleng...

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  2. What is screening effect? Arrange the orbital as per their increasing ...

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  3. Why CaF2 is insoluble in water? What type of bonding is observed in Li...

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  4. Which one has higher electrovalent nature among NaCl & AlCl3? Indicate...

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  5. What is partial pressure? If the total pressure of a mixture of 4 gm H...

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  6. What do you understand by laminar flow? Define surface tension.

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  7. A gas is compared by 10 lit in an external pressure 10 atm irrivesibll...

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  8. Show that Wcrversibly > Wirreversible.

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  9. Balance the following chemical equation by ion electron method.IO3^(-)...

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  10. Balance the following- reaction by ordination number method:-CuSO4 + P...

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  11. Establish the fealtionship between Volume strength and perccntage stre...

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  12. What happens when Cl2 gas is passed through cold lime solution. What i...

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  13. Write the IUPAC name

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  14. Write the IUPAC name

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  15. Answer the question below:-Ax2 + by2 = Cxy + Heat :Establish the relat...

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  16. Answer the question below:-If the Kc 25^@C be 50 them find Kp

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  17. Answer the question below:-In which direction the eqm will shift if te...

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  18. What do you mean by ionic product of water? Is water acidic in higher ...

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  19. Describe the preparation of graphaiate imacheson process. Why CO is hi...

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  20. How would you carry out the following Conversion :-Ethene rarrformalde...

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