Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Bond and Molecular Structure
The covalent bond may be classified into________.
1
Sigma(σ) bond
2
pi(π) bond
3
None
4
More than one of the above
5
None of the above