Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Organic Chemistry
The monomer(s) used in the manufacture of nylon 66 is/are-
1
m-Phenylenediamine and isophthaloyl chloride
2
Hexamethylene diamine and adipic acid
3
p-Phenylenediamine and isophthaloyl chloride
4
More than one of the above
5
None of the above