Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Organic Chemistry
The number of sigma and pi bonds in a cyclotrimetaphosphoric acid molecule respectively are
1
12 and 1
2
15 and 3
3
12 and 3
4
More than one of the above
5
None of the above