Write the Chemical Formula of following compounds with Criss - Cross method.
(a)Potassium dichromate
(b) Aluminium Phosphate
(c) Sodium Plumbite
(d) Ammonium sulphate
(e) Barium carbonate
(1) Nitric acid
(g)Sulphuric acid
(h) Calcium nitride
(i) Sodium nitrate
(i) Ammonium chloride



Answer :

Answer:

a) Potassium dichromate - K+ Cr2O72-

b) Aluminum phosphate - Al3+ PO43-

c) Sodium plumbite - Na+ PbO32-

d) Ammonium sulphate - NH4+ SO42-

e) Barium carbonate - Ba2+ CO32-

1) Nitric acid - H+ NO3-

g) sulphuric acid - H+ SO42-

h) Calcium nitride - Ca2+ N3-

i) Sodium nitride - Na+ N3-

i) Ammonium chloride - NH4+ Cl-

Explanation: