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How natual rubber differ from Gutta-perc...

How natual rubber differ from Gutta-percha ?

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USHA PUBLICATION-POLYMERS AND CHEMISTRY IN EVERYDAY LIFE -EXERCISE
  1. Azurite is the ore of iron. (Rewrite correctly)

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  2. What is temperature co-efficient ?

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  3. How natual rubber differ from Gutta-percha ?

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  4. What happens when ethyl benzene is heated with alkaline potassium perm...

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  5. What happens when phenol is treated with phthalic anhydride in presenc...

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  6. What is Mendius reaction ?

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  7. Give two characteristics of 1st order reaction.

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  8. What happens when acetone is treated with iodine in NaOH solution?

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  9. What is Fries rearrangement ?

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  10. Explain, why liquid HCl and pure H2O are non-conductor , while the sol...

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  11. What is the role of lime stone in the extraction of iron ?

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  12. How can you convert acetaldehyde to crotonladehyde?

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  13. Identify A, B, C, D C2H4-NH2 undersetrarr(NaNO2+HCl)A undersetrarr(P//...

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  14. Find the mole ratio of 'Cu' and 'Ag' deposited when same quantity of c...

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  15. Determine the type of Cubic lattice to which the iron crystal belongs,...

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  16. What do yor mean by inner orbital and outer orbital complexes ?

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  17. What are interhalogen compounds ? Why are these more reactive than hal...

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  18. What is Gabriel phthalimide reaction ? Why is aniline not prepared by ...

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  19. What is difference between physisorption and chemisorption ?

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  20. Write short note on Law of independent migration of ions.

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