Molecular weight of plastics ranges from ______________________?
Correct answer: B. 20000 to 250000
- A. 5000 to 10000
- B. 20000 to 250000
- C. 500 to 5000
- D. 106 to 109
Explanation
Plastics are high-polymer materials whose molecular masses commonly fall roughly in the 20,000 to 250,000 range. The lower ranges describe small molecules or oligomers, not typical plastics.
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