| 1. Figure (X) shows structure of a monomer while figure (Y) shows structure of a polymer. |
| 2. Small boxes in the structure represent monomers which are joined to give a polymer. |
| 3. Figure (X) shows structure of a linear polymer while (Y) shows structure of a cross-linked polymer. |
A) 1 and 2 only
B) 1 and 3 only
C) 2 and 3 only
D) All are correct.
Correct Answer: C
Solution :
The monomer units of plastics differ in the arrangement, wherein certain cases, they are linear and sometimes cross-linked.
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