Match List-I with List-II and select the correct answer using the code given below the Lists :
List-I (Compound) | List-II (Type of polymer) |
A. Melamine | 1. Linear |
B. Polyvinyl chloride | 2. Condensation |
C. Terylene | 3. Natural |
D. Cellulose | 4. Cross-linked |
Code :
A-3, B-2, C-1, D-4
A-4, B-1, C-2, D-3
A-3, B-1, C-2, D-4
A-4, B-2, C-1, D-3
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC CAPF – 2018
– **Polyvinyl chloride (PVC):** Formed from vinyl chloride monomers (CH2=CHCl) via addition polymerization. PVC chains are essentially **linear**.
– **Terylene (PET):** Polyethylene terephthalate is a polyester formed by **condensation** polymerization of ethylene glycol and terephthalic acid.
– **Cellulose:** A naturally occurring polysaccharide found in plant cell walls. It is a **natural** polymer.