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Mention the type of semiconductor, (n-ty...

Mention the type of semiconductor, (n-type or p-type) when silicon doped with phosphorus.

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ASSAM ACADEMIC CENTRE-EXAM PAPER 2013-Example
  1. What is semiconductor? Mention the two main types of semiconductor.

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  2. Sodium crystallizes in a body-centred cubic (bcc) unit cell. Calculat...

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  3. Mention the type of semiconductor, (n-type or p-type) when silicon dop...

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  4. Gold metal crystallizes in a face-centred cubic cell (fcc). Determine ...

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  5. Describe the role of the following in the processes mentioned: NaCN in...

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  6. Describe the role of the following in the processes mentioned: Limesto...

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  7. Describe the role of the following in the processes mentioned: Iodine ...

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  8. Write down the reaction taking place in different zones in the blast f...

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  9. Give reasons: [Ti(H2O)6]^(3+) is coloured while [Sc(H2O)6]^(3+) is col...

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  10. Give reasons: [COF6]^(3-) is a high spin complex ion.

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  11. Draw the two geometrical isomers of the complex compound [Pt(NH3)2Cl2]

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  12. Define the following terms with one example each: Coordination sphere

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  13. Define the following terms with one example each: Coordination number

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  14. Define the following terms with one example each: Ligands

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  15. What happens, when- Ethanal is treated with methyl magnesium bromide a...

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  16. What happens, when- Phenol is heated with zinc dust?

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  17. What happens, when- Methoxyethane is treated with excess HI.

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  18. An organic compound contains 69.77% carbon, 11.63% hydrogen and the re...

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  19. An organic compound contains A(C7H5N) on hydrolysis with strong aqueou...

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  20. Identify A and B : CH3CH2Br overset(KCN) rarr A overset(LiAlH4) rarr B

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