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What are antibiotics? Writedown the name...

What are antibiotics? Writedown the name of two antibiotics.

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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2018-PREVIOUS YEAR QUESTION
  1. What happens when calcium açetate is dry distilled ?

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  2. Give two difference between crystalline and amorphous solids.

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  3. What are antibiotics? Writedown the name of two antibiotics.

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  4. Write the IUPAC name of the compounds. [Fe(CO)5]

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  5. Differentiate between multimolecular and macromolecular colloids.

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  6. Boiling point of water is 100^@C. Calculate the boiling point of an aq...

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  7. What is lanthanide contraction? Write any two of its consequences.

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  8. FeSO4, solution mixed with (NH4)2SO4, solution in 1:1 molar ratio give...

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  9. Why phenol is acidic in nature ?

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  10. Explain the Hofnann bromamide reaction with one example.

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  11. What are addition and condensation polymerisation? Give one example of...

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  12. What is a semiconductor? What aren-type and p-type semiconductors?

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  13. Explain why transition metal ions are usually coloured.

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  14. Explain the amphoteric behaviour of amino acids.

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  15. State and explain Kohlrausch's law of independeat migration of ions.

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  16. Write the assumptions of crystal field theory. Discuss the patterm of ...

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  17. Define an expression for the rate constant of a 1st order reaction. De...

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  18. How can you distinguish between primary, secondary and tertiary alcoho...

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  19. An organic compound (A) with molecular formula C8H8O forms an orange p...

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  20. What is Willámson synthesis?

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