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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2020-PREVIOUS YEAR QUESTION
- When the value of van't Hoff factor is less. than one, this shows that...
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- Which product is obtained when methyl cyanide is reduced by sodium and...
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- What are the monomers of Nylon 6,6?
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- Write the names of two oligosaccharides.
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- how many atoms are present per unit cell of a body centred cubic cryst...
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- Name the catalyst used in the contact process of manufacture of H2SO4
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- The osmotic pressure ofa solution containing 50 g of a solute in one l...
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- What are bidentate ligands? Give an example.
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- What are freons ? What are their harmful effects on the environment ?
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- Answer any seven questions of the following: CuSO4 solution is elect...
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- What happens when KI solution is added to acidified K2Cr2O7 solution?
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- What are antioxidants ? Give two examples.
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- Under which condition the rate of reaction becomes equal to the specif...
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- Write the expressions for the rate of reaction of PC5rarrPCI3+ Cl2
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- How does Schottky defect arise ? In which type of ionic compounds does...
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- What happens when yellow phosphorus is heated with dilute NaOH solutio...
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- Explain what are ionic and covalent solids.Give one example of each.
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- What is the action of chlorine with (i) cold and dilute NaOH and (ii) ...
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- Discuss Reimer-Tiemann reaction.
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- Discuss the struchure of [Co(NH3)6]^(3+) ion on the basis of valence b...
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