Balance the following equation
Al2(SO4)3 +NaOH - Al(OH)3 +Na2SO4
Balance the following equations :
(i) Na + O2 ⟶ Na2O
(ii) H2O2 + ⟶ H2O + O2
(iii) Mg(OH)2 +HCl ⟶ MgCl2 + H2O
(iv) Fe + O2 ⟶ Fe2O3
(v) Al(OH)3 ⟶ Al2O3 + H2O
(vi) NH3 + CuO ⟶ Cu + N2 + H2O
(vii) Al2(SO4)3 + NaOH ⟶ Al(OH)3 + Na2SO4
(viii) HNO3 + Ca(OH)2 ⟶ Ca(NO3)2 + H2O
(ix) NaOH + H2SO4 ⟶ Na2SO4 + H2O
(x) BaCl2 + H2SO4 ⟶ Ba2SO4 + HCl