Question

In correct formula is
i-
Al2(SO4)3 and CaCO3
ii-NaNO3 and Feel
iii-
FeS04 and cucl
iv-Hgcly and Fecl3​

Answer 1

Answer:

i don't know answer but....

plz thanks my answer

good afternoon. dear friend.

Explanation:

Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.