Question

Name of any 40 chemical salts..plz tell me

Answer 1

It's easy take some cations and some halogens ( anions which form salts).
Just like this:
1.Sodium Chloride
2.Sodium Bromide
3.Sodium Fluoride
4.Potassium Chloride
5.Potassium Bromide
6.Potassium Fluoride
7.Potassium Iodide
8.Sodium Iodide
9.Rubidium Chloride
10.Rubidium Bromide
11.Rubidium Fluoride
12.Rubidium Iodide

And like wise react Alkali earth metals with halogens ( with reference to the periodic table)

Answer 2

LiCl, MgSO4, CaSO4, AlCl3, NaNO3, CH3COOK, HgCl2, NaBr, Na2SO4, CuSO4, CaCO3, Na2CO3, NaNO2, KNO3, K2CO3, FeSO4, PbCl2, AgCl, AgBr, NaCl