Are all plastics hydrocarbons?
回答 (1)
2013-05-01 5:45 am
✔ 最佳答案
Some plastics are hydrocarbons, but some are not.For example, polyethene, polypropene and polystyrene (polyphenylethene) are hydrocarbons, but polyester, nylon, polyvinyl chloride (polychloroethene) and urea-methanal are NOT hydrocarbons.
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