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What is the chemical formula of plaster ...

What is the chemical formula of plaster of paris?

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The correct Answer is:
`2CaSo_(4)H_(2)O`
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SUBHASH PUBLICATION-PUE DEPT. MODEL QUESTION PAPER-PART-D
  1. Give Reason: Lithiu iodide is covalent but potassium iodide is ionic.

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  2. Compared the 2nd Ionisation enthalpies and Hydration enthalpies of Alk...

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  3. What is the chemical formula of plaster of paris?

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  4. Name of method by which Halogen present in an organic compound is esti...

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  5. What is the inductive effect? Which one of the following shows maxim...

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  6. State the three postulates of Bohr's theory of hydrogen atom.

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  7. Calculate the energy with 5th orbit of hydrogen atom.

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  8. Define enthalpy of fomration. Calculate Enthalpy of formation of C(2...

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  9. State Le-Chatelier's priciple.

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  10. What is common ion effect? Give an example.

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  11. What is the ph of 1M NaCl at 298 K.

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  12. What happens to the ph of a solution of Acetic acid when some sodium a...

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  13. Acetic acid has a dissociation constant of 1.8xx10^(-5), Calculate the...

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  14. Calculate the ionization constant of 0.05M weak acid if it's degree of...

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  15. Describe LCAO method for the formation molecular orbitals of Hydrogen....

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  16. Give two difference between bonding molecular orbital and antibonding ...

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  17. What is the formulae of inorganic benzene? Write the structure of Dibo...

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  18. What are Fullurenes? How are they propared?

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  19. Write the principles involved in the estimation of (i) Halogens (ii) S...

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  20. Name the element estimated by Kjeldhal's method.

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