1.

Match the followingColumn - IColumn - IIA. Natural polymer 1. Viscose rayonB. Synthetic polymer2. SilkC. Semi synthetic3. BakeliteD. Thermo setting polymer4. PolytheneCodeABCD(a)2413(b)1234(c)4321(d)3142

Answer»

(a)  2 4 1 3



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