Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry Chemical Bonding and Molecular Structure Chemical Bonding
Which among the following is a covalent compound?
1
Hydrogen chloride
2
Magnesium hydroxide
3
Calcium carbonate
4
More than one of the above
5
None of the above