[SPM Chemistry SBP 2020 P1 Q35] How to solve this question during exam...is it we must remember all types of polymer?😄

Yes, you need to know most of the common polymers and their monomers involved. They are commonly asked in the examination.

In this case, B is polypropylene, commonly used in medical applications.

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Ouhh Ok I will try to remember it … Thank you very much :blush::+1: