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What are fuel cells ?...

What are fuel cells ?

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The cells which converts chemical energy of a fuel direcly in to electrical energy.
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SUNSTAR PUBLICATION-II PUC CHEMISTRY (ANNUAL EXAM QUESTION PAPER MARCH - 2015)-PART - D
  1. Define isotonic solution. What happens when the blood cell is dipped i...

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  2. Calculate the EMF of the cell for the reaction Mg((s))+2Ag((aq))^(+)...

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  3. What are fuel cells ?

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  4. Derive an intergrated rate for the first order reaction.

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  5. According to collision theory, what are the two factors that lead to e...

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  6. Write any two differences between physisorption and chemisorption.

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  7. Name the phenomenon/effect for the following i) Collidal particles a...

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  8. Write equations for the steps in S(N)1 mechanism of conversion of tert...

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  9. Identify the products A, B and C in the following equation. CH(3)OH ...

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  10. Write the mechanism of acid catalysed dehydration of ethanol to ethene...

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  11. Explain Williamson's reaction. Write the general equation.

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  12. Write the organic compound formed in the following equations. ii)...

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  13. Explain HVZ (Hell-Volhard-Zelinsky) reaction with equation.

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  14. Identified the reactant A in the following reaction : A+4R-X rarr R(...

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  15. Explain Hoffmann bromamide degradation for the preparation of methanam...

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  16. Which is more basic among aqueous solutions of aniline and ammonia ? G...

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  17. Write Haworth structure for maltose.

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  18. What is meant by denaturation of protein ? Which level of structure re...

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  19. Name the base present only in DNA but not in RNA.

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  20. Write the partial structure of i) Neoprene ii) Terylene(Dacron) iii)...

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