Q31. Which polymer is commonly used as an impact-resistant plastic?
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Q32. Which polymerization technique uses catalysts to control molecular weight?
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Q33. What is the effect of branching in polymers?
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Q34. Which method is used to study polymer thermal stability?
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Q35. Which of the following is largely amorphous?
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Q36. What does number average molecular weight represent?
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Q37. Which characteristic is typical of elastomers?
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Q38. Which additive improves polymer flame retardancy?
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