Ncert Exercises & Solutions

Match the materials given in Column I with the polymers given in Column II.

Column I	Column II
A. Natural rubber latex	1. Nylon
B. Wood laminates	2. Dacron
C. Ropes and fibers	3. Urea-formaldehyde resins
D. Polyester fabric	4. cis-polyisoprene

Codes

	A	B	C	D
1.	2	3	4	1
2.	3	4	1	2
3.	1	4	3	2
4.	4	3	1	2

HINT: Dacron is an example of polyester.

Explanation:

The polymer and its uses are as follows:

Column I	Column II
A. Natural rubber latex	cis-polyisoprene
B. Wood laminates	Urea - formaldehye resins
C. Ropes and fibres	Nylon
D. Polyester fabric	Dacron