1. Fe2(SO4)3+ KOH → K2SO4 + Fe(OH)32. Ca3(PO4)2 + SiO2 → P4O10 + CaSiO33. KClO3 → KClO4 + KCl4. C7H6O2 + O2 → CO2 + H2O
I. How to balance a equation ?
II. BALANCE THE FOLLOWING EQUATIONS :-
(1) Al + HCl = AlCl3 + H2
(2) H2 + O2 = H2O
(3) K + H2O = KOH + H2
(4) C + O2 = CO2