Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Chemical Bond and Molecular Structure
Which of the following contains both ionic and covalent bonds ?
1
NaOH
2
HOH
3
C6H5Cl
4
More than one of the above
5
None of the above