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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.
Every graph below is calculated only from this selection.
Year-wise coverage for Polymer Degradation. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Engineering Sciences (XE) 2026 | 2026 | 2 | View paper |
| Engineering Sciences (XE) 2011 | 2011 | 1 | View paper |
| Engineering Sciences (XE) 2009 | 2009 | 1 | View paper |
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 |