Zinc is obtained by heating zinc oxide with carbon. Carbon dioxide is the only other product.
Complete the word equation for the reaction.
zinc oxide + ................ →\rightarrow→ ................ + carbon dioxide
Explain why carbon can be used to obtain zinc from zinc oxide.
Potassium cannot be obtained from potassium oxide by heating it with carbon. Give a reason why.
Name the process used to obtain potassium from a compound of potassium.
86 exam-style questions on AQA GCSE Chemistry 4.1 Reactivity of metals, covering 4.1.1 Metal oxides, 4.1.2 The reactivity series, 4.1.3 Extraction of metals and reduction, and 4.1.4 Oxidation and reduction in terms of electrons. Each one has a worked solution and a mark scheme showing where the marks go.