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what are the chemicals used to make plastic? why plastic disolve after 300 hundred years !!!

what are the chemicals used to make plastic? 
why plastic disolve after 300 hundred years !!!
 

Grade:9

1 Answers

Arun
25750 Points
6 years ago
plastics is made up of heterochain polymers. These compounds contain atoms such as oxygen, nitrogen, or sulfur in their backbone chains, in addition to carbon. Most of the engineering plastics listed above are composed of heterochain polymers

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