balance1.gifGCSE Chemistry worksheet 3 on Completing/Balancing Word/Symbol Equations

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balance2.gifSection 3:
Complete these word equations with the missing chemical names.

(1) + hydrochloric acid ==> calcium chloride + water + carbon dioxide
(2) ==> magnesium oxide + carbon dioxide
(3) copper(II) oxide + ==> + water
(4) + carbon dioxide ==> calcium carbonate + water

balance3.gifSection 3 continued:
Balance the following symbol equations with the missing numbers, symbol or formula. For software reasons subscript numbers in formulae have to be entered in separate boxes.

(5) 2Al + Fe2O3 ==> + Fe
(6) PbO + ==> Pb + H2O
(7) C6H14 ==> C4H10 +
(8) CH4 + Cl2 ==> CH3Cl +
(9) Fe2O3 + CO ==> Fe + 3
(10) + HCl ==> ZnCl2 + H2O + CO2

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