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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. What structural feature is necessary for a monomer to form condensatio...

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  2. What type of polymer is Dacron ? How can be it prepared ?

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  3. How natual rubber differ from Gutta-percha ?

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  4. What is the purpose of vulcanisation of rubber?

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  5. Arrange the following in increasing order of their intermolecular forc...

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  6. Write the names and structures of monomers of the following polymers. ...

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  7. Classify the polymers on the basis of molecular forces.

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  8. How can you differentiate between addition and condensation polymerisa...

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  9. What is biodegradable polymer ? Give an example.

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  10. When phenol is treated with bromine solution in carbon tetachloride so...

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  11. Cannizzaro's reaction is not given by -

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  12. Which of the following is the suitable reagent to get alkyl chloride f...

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  13. Aldehydes on treatment with Fehling's solution give a precipitate of—

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  14. Which of the following contains -COOH group in it ?

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  15. Acctaldehyde can be converted to ethane by

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  16. Acetic acid on heating with P2O5 produces –

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  17. Complete the equation C6H5-CHO+NaOH(conc)^undersetrarrDelta

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  18. An alkene on ozonolysis gives only acetone. What is the name of alkene...

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  19. Phenol is acidic becauseis more stable than

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  20. Name the reaction, when chromyl chloride is used to convert toluene to...

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