Question

4. Write the chemical formulae of the following.
(a) Magnesium chloride
(b) Calcium oxide
(c) Copper nitrate
(d) Aluminium chloride
(e) Calcium carbonate.​

Answer 1

Answer:

MgCl2

CaO

Cu(NO3)2

AlCl3

CaCO3

Answer 2

Therefore, the chemical formula of magnesium chloride is Cu(NO3)2.