balance1.gifGCSE Chemistry worksheet 2 on Completing/Balancing Word/Symbol Equations

Site Meter * Do online OR printout, do, return to check answers. * How to write and balance equations * AQA * CCEA * Edexcel * OCR 21stC * OCR Gateway * WJEC * EMAIL comment?query * Doc Brown's Chemistry Clinic updated 09-06-09 *

balance2.gifSection 2:
Complete these word equations with the missing chemical names.

(1) methane + oxygen ==> dioxide +
(2) oxide + nitric acid ==> calcium +
(3) magnesium + zinc sulphate ==> + zinc
(4) + potassium bromide ==> chloride +

balance3.gifSection 2 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) Mg + HCl ==> MgCl2 +
(6) Ca + 2 ==> Ca(OH)2 + H2
(7) Fe + ==> FeSO4 + H2
(8) CH4 + O2 ==> + H2O
(9) O + Mg ==> + Cu
(10) Br2 + NaI ==> 2 + I2

For latest website updates see https://twitter.com/docbrownchem