Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Organic Chemistry
Which of the following is a synthetic polymer?
a. Nylon
b. Polyethylene
c. Teflon
d. Cellulose
e. Silk
1
Only a, b and c
2
Only a, b
3
Only b, a and e
4
More than one of the above
5
None of the above