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Practice Polymer Degradation - Degradation of Materials - Engineering Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
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Question coverage for the most populated papers. Every active PYP paper remains listed below.
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| Paper name | Year | Attempt | |
|---|---|---|---|
Engineering Sciences (XE) 20262026 | 2026 |
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Engineering Sciences (XE) 20112011 | 2011 | |
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Engineering Sciences (XE) 20092009 | 2009 | |
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Practice every matching question in batches of 20, with every available option.
A flexible garden hose pipe made of PVC was observed to get hardened after a length of time. The observation is most likely due to
| Column-I | Column-II |
|---|---|
| P. Poly vinyl chloride | 1. Elimination of low molecular weight compound |
| Q. Poly acrylonitrile | 2. Unzipping |
| R. Poly methyl methacrylate | 3. Cyclization |
| S. Polyethylene | 4. Random scission |