chapter 15. INTRODUCTION TO POLYMER CHEMISTRY Class 12 Chemistry Textbook Solution

2. Answer the following in one sentence each.

ix. Identify Thermoplastic and Thermosetting Plastics from the following —–
1. PET
2. Urea formaldehyde resin
3. Polythene
4. Phenol formaldehyde

Answer:-

Thermoplastic: Polythene, PET

Thermosetting plastic: Urea formaldehyde resin, Phenol formaldehyde resin

chapter 15. INTRODUCTION TO POLYMER CHEMISTRY Class 12 Chemistry Textbook Solution page 338