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What is carbon dating ? Explain. In a sa...

What is carbon dating ? Explain. In a sample of wood C-14 activity is 10% of the activity found in fresh wood. Calculate the age of wood sample. `(t_1/2` for C-14 is 5760 years )`

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SHARAM PUBLICATION-2012 QUESTION PAPER-EXERCISE
  1. What happens when acetamide is treated with sodium and ethyl alcohol.

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  2. Identify A, B, C and D.

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  3. Why aniline is less basic than methyl amine?

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  4. What are organometallic compounds? Give two examples.

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  5. What happens when propionic acid is treated with thionyl chloride?

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  6. What is Reimer-Tiemann reaction?

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  7. State and explain Faraday's laws of electrolysis. When a current of 24...

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  8. Write short notes on : activation energy

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  9. Write notes on: Hess's law of constant heat of summation.

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  10. What is carbon dating ? Explain. In a sample of wood C-14 activity is ...

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  11. Justify the position of boble gases in the periodic table .

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  12. How is acetic acid prepared from CH3 CH2 OH

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  13. How is acetic acid prepared from CH3 COO C2 H5

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  14. How is acetic acid prepared from CH3 Mg Br?

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  15. Write one reaction to distinguish between formic acid and acetic acid....

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  16. What happens when sodium benzoate is distilled with sodalime?

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  17. How is benzene diazonium chloride prepared from aniline? How are the f...

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  18. How is benzene diazonium chloride prepared from aniline? How are the f...

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  19. How is benzene diazonium chloride prepared from aniline? How are the f...

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  20. How is benzene diazonium chloride prepared from aniline? How are the f...

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