Section 1:
Complete these word equations with the missing chemical names.

(1) magnesium + hydrochloric 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater ==> magnesium chloride + 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater
(2) carbon + 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater ==> carbon dioxide
(3) potassium hydroxide + sulphuric acid ==> 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater + water
(4) magnesium carbonate + hydrochloric acid ==> magnesium chloride + 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater + carbon dioxide

Section 1 continued:
Balance the following symbol equations with the missing numbers, symbols or formula. For software reasons subscript numbers in formulae have to be entered in separate boxes.


(5) Fe + CuSO₄ ==> 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater_{24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater} + Cu
(6) 224acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater + O₂ ==> 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewaterMgO
(7) 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewaterH₂ + O₂ ==> 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewaterH₂O
(8) C + CO₂ ==> 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewaterCO
(9) Cl₂ + H₂ ==> 224acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater
(10) 24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater + HCl ==> NaCl + H_{24acidFeSOHClhydrogenMgNaOHoxygenpotassiumsulphatewater}O