Which of these is a modified natural polymer? Cellulose nitrocellulose nylon pol

Question

Which of these is a modified natural polymer? Cellulose nitrocellulose nylon polyethylene Nylon was first used for: rope leisure suits women's stocking's waterproof jackets. The monomer for the addition polymer polybutylene is: CH_2 = CH_2 CH_2 = CHCH_2CH_3 HOCH_2CH_3 CH32CH_2CH_2CH_3 The problem with celluloid, used to make early movies, is: it's flammable it shreds easily it's very expensive it causes cancer Monomers are: building blocks of polymers made of one element small polymers uniform polymers Amino acids are monomers for: carbohydrates fats vitamins proteins In "smelting", an ore: is dissolved in acid reacts with coke at high temperature is dissolved in base reacts with oxygen at high temperature The metal least likely to react with oxygen is: aluminum calcium gold tin Give three examples of oxidizing agents (other than oxygen), which were mentioned in class. nalogens potassium nitrate nitric acid In this reaction (not balanced): CH_2 O + Ag^+ rightarrow CH_2O_2 + Ag the oxidizing agent is. In this reaction (not balanced): 2 Fe^2+ + H_2O_2 rightarrow 2 Fe^3+ + 2 H_2O What material is being reduced? Name two natural polymers, other than proteins.

Explanation / Answer

22. Nitrocellulose

23. Women's Stocking

24. 1-butene

25. It's flammable

26. builiding blocks of polymers

27. proteins

28. reacts with coke at higher temperature

29. gold

30. KMnO4, K2Cr2O7, HNO3

31 Oxidising agent: Ag+

32. H2O2

33. Cellulose, Cotton

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