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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2018-PREVIOUS YEAR QUESTION
- Prove that for a 1st order reaction, the time taken for 99% completion...
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- What happens when calcium açetate is dry distilled ?
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- Give two difference between crystalline and amorphous solids.
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- What are antibiotics? Writedown the name of two antibiotics.
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- Write the IUPAC name of the compounds. [Fe(CO)5]
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- Differentiate between multimolecular and macromolecular colloids.
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- Boiling point of water is 100^@C. Calculate the boiling point of an aq...
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- What is lanthanide contraction? Write any two of its consequences.
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- FeSO4, solution mixed with (NH4)2SO4, solution in 1:1 molar ratio give...
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- Why phenol is acidic in nature ?
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- Explain the Hofnann bromamide reaction with one example.
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- What are addition and condensation polymerisation? Give one example of...
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- What is a semiconductor? What aren-type and p-type semiconductors?
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- Explain why transition metal ions are usually coloured.
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- Explain the amphoteric behaviour of amino acids.
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- State and explain Kohlrausch's law of independeat migration of ions.
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- Write the assumptions of crystal field theory. Discuss the patterm of ...
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- Define an expression for the rate constant of a 1st order reaction. De...
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- How can you distinguish between primary, secondary and tertiary alcoho...
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- An organic compound (A) with molecular formula C8H8O forms an orange p...
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