1(c)
Write a balanced chemical equation for each of the following:
(i) Action of concentrated sulphuric acid on carbon.
(ii) Reaction of sodium hydroxide solution with iron (III) chloride solution.
(iii) Action of heat on aluminum hydroxide.
(iv) Reaction of zinc with potassium hydroxide solution.
(v) Action of dilute hydrochloric acid on magnesium sulphite.
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(i) C + 2H2SO4 [conc.] ⟶ CO2 + 2H2O + 2SO2
(ii) FeCl3 + 3NaOH ⟶ 3NaCl + Fe(OH)3
(iii) 2Al(OH)3 $\xrightarrow{1100^{\circ}\text{C}}$ Al2O3 + 3H2O
(iv) Zn + 2KOH ⟶ K2ZnO2 + H2
(v) MgSO3 + 2HCl ⟶ MgCl2 + H2O + SO2 [g]