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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2016-PREVIOUS YEAR QUESTION
- The half - life of a radioactive element is 69.3 days.Find out the tim...
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- What is Diazo reaction ? Write the structure of the product of this re...
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- How is acetaldehyde prepared from acetylchloride?
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- How does acetaldehyde react with Tollen's reagent
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- How does acetaldehyde react with Phenyl hydrazine ?
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- Arrange the order of reactivity of the following compounds towards nuc...
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- Describe the laboratory method of preparation of sulphur dioxide. How ...
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- Define transition elements. Discuss their followinng characteristic pr...
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- Define specific, equivalent and molar conductance. Write their units. ...
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- Write notes on: Hess's law of constant heat of summation.
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- Which one of the following compound is a protein ?
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- Which one is the ore of copper ? (a) Bauxite (b) Dolomite (c) haematit...
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- In Hofmann-bromamide reaction an amide is converted to - (a) primary a...
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- Which of the following reagents produces pure acid-chloride from monoc...
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- Nitration of nitrobenzene yields -
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- The disease nightblindness is caused due to the deficiency of -
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- Which of the following is a monosaccharide ?
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- Which one of the following reaction involves both aryl and alkyl halid...
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- Oxygen is not evolved when ozone reacts with -
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- A detergent is - (a) drug (b) catalyst (c) soap (d) surface active age...
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