Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Chemical Bond and Molecular Structure
The compound containing both covalent and ionic bond is ______.
1
MgCl2
2
NH4Cl
3
CaO
4
More than one of the above
5
None of the above