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Why does sea water boil at higher temper...

Why does sea water boil at higher temperature than normal water?

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USHA PUBLICATION-PRACTICE PAPER-PRACTICE PAPER
  1. Explain the Hofnann bromamide reaction with one example.

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  2. Give one test to distinguish between acetaldehyde and acetone.

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  3. Why does sea water boil at higher temperature than normal water?

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  4. Difference between peptisation and coagulation?

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  5. Give a comparison between metallic solid and ionic solid.

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  6. Identify the catalyst used in Decan process.

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

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  8. Identify the catalyst used in Haber’s process.

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  9. Identify the catalyst used in Ostawald’s process.

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  10. What happens when FeCl3 is added to hot water?

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  11. What happens when FeCl3 is added to NaOH solution?

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  12. How is SO2 prepared in the laboratory?

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  13. A cubic solid is made of two elements ‘M’ and ‘N’ , Atoms of ‘M’ are ...

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  14. Discuss the trends in properties of hydrides of Gr-16 family (any thre...

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  15. Sodium chloride on heating with conc. H2SO4 in presence of ‘A’ gives a...

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  16. Write the products of ozonolysis of but-2-ene.

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  17. Write the products of reaction of tert-Butylmethyl ether with HI.

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  18. A compound with M.F. C2H5O2N on reduction with Sn and HCl gives compou...

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  19. Write about the sulphonation reaction of aniline.

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  20. Classify the polymers on the basis of molecular forces.

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