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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2018-PREVIOUS YEAR QUESTION
- 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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- What is Willámson synthesis?
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- A transition metal ion has configuration [Ar] 3d^4 is in tripositive o...
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- Vitamin B12 is known as -
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- What is the product of the following reaction CH3-C=-CH+H2O undersetov...
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- The main product formed during hydrolysis of methyl nitrile in acid me...
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- The total number of atoms per unit cell of a face centred cubic crysta...
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- The overall order of reaction which has rate expression, Rate=K[A]^(1/...
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