Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Organic Chemistry
"Melamine, Bakelite" are examples of which of the following type of polymers?
1
Linear polymers
2
Cross-linked or network polymers
3
Branched-chain polymers
4
More than one of the above
5
None of the above