Edexcel OLevel Chemistry revision notes

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Lesson

Lesson-28.1.7- know that some polyesters, known as bio polyesters, are biodegradable.

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Lesson-28.1.6- understand how to write the structural and displayed formula of a polyester, showing the repeat unit, given the formulae of the monomers from which it is formed including the reaction of ethane dioic acid and ethanediol:Previous