What is the chemical formula of the following:-
1. Magnesium chloride.
2. Calcium oxide.
3. Copper nitrate.
4. Aluminium chloride.
5. Calcium carbonate.
The chemical formula of the following are:-
1. Magnesium chloride $-\ MgCl_2$.
2. Calcium oxide $-\ CaO$.
3. Copper nitrate $-\ Cu(NO_3)_2$.
4. Aluminium chloride $-\ AlCl_3$.
5. Calcium carbonate $-\ CaCO_3$.
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