IGCSE Chemistry 0620/21/O/N/21 Q40


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40 The diagram shows the partial structure of Terylene.

From which pair of compounds is it made?

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Answer ( 1 )


    Ans: A

    Terylene is made up of repeating units of diols and dicarboxylic acids. A hydrogen from both sides of a diol and a hydroxide from both sides of a carboxylic acid makes water molecules.

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