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For a spontaneous reaction Gibb's free e...

For a spontaneous reaction Gibb's free energy change is always..............

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MODERN PUBLICATION-SAMPLE PAPER 2015-EXCERCISE
  1. The conjugate acid of NH2 is

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  2. Name the catalyst used in the contact process of manufacture of H2SO4

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  3. For a spontaneous reaction Gibb's free energy change is always...........

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  4. Fill in the blanks : An electron donating substituent in benzene fixes...

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  5. Oxidation of ethyl benzene with alkaline KMnO(4) gives ………

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  6. Mercurochrome is used as an—.

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  7. Sodium or potassium salts of higher fatty acids are called .......

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  8. Write the chemical test to distinguish between formic acid and acetic ...

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  9. How is acetone converted to mesityl oxide ?

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  10. Why do transitional elements form complex compounds ?

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  11. What happens when SO2 is passed through sulphuretted hydrogen dissolve...

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  12. Why hydrogen bromide cannot be prepared by reacting sodium bromide wit...

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  13. What is the difference between order and molecularity of a reaction ?

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  14. C-11 is a radioisotope of carbon. Its half life is 20 minutes. What fr...

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  15. Calculate the molar solubility 'S' of Barium phosphate in terms of its...

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  16. What tyoe of hybridisation takes place in xenon during the formation ...

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  17. What is Sandmeyer's reaction ?

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  18. What are the different types of carbohydrates? Give one example of eac...

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  19. What are the interhalogen compounds?Give examples.

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  20. What is coupling reaction ? Give an example.

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