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Answer any seven questions of the follow...

Answer any seven questions of the following
Discuss van Arkel Boer method for ultrapurification of zirconium.

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USHA PUBLICATION-PREVIOUS YEAR QUESTION 2020-PREVIOUS YEAR QUESTION
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  2. Elucidate the differences between soaps and detergents.

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  3. Answer any seven questions of the following Discuss van Arkel Boer m...

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  4. The rate constants ofa reaction at 500 K and 700 K are 0.025 sec^-1 an...

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  6. What do you mean by biodegradale and non biodegradable polymers ? Give...

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  7. An organic compound having molecular formula C3H7Br on treatment with ...

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  8. State Raoult's law. How is the molecular mass of a solute determined f...

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  9. A solution contains 72% water d 28% methyl alcohol. Calculate the mole...

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  10. How is acetic acid prepared from methyl magnesium bromide ?

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  11. An acid is (i) reduced by lithium aluminium hydride (ii) treated with ...

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  12. Name four factors affccting adsorption gases by solids.

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  13. What are enzyme catalysts ? Give a reaction involving an enzyme cataly...

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  14. What are oil in water and water in oil type of emulsions ? Give one ex...

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  15. Starting from nitrobenzene how will you prepare benzene diazonium chlo...

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  16. Which of the following electrolytes is most effective in the coagulati...

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  17. Sulphur dioxide gas does not act as

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  18. The compound that reduces Tollens' reagent is

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  19. Which of the following solutions of KCl will have highest specific con...

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  20. Which of the following noble gases is abundant in air ?

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