Foundation tier papers may include questions in which you have to complete a sentence or draw lines to match correct options.
In both cases, some of the options given are incorrect - examiners call these 'distractors' - and you should avoid selecting these.
When selecting a key word, make sure you only use words from the given list. When you answer a line matching question, use straight lines rather than complex wavy lines. Do not draw more lines than necessary to answer the question.
Questions courtesy of Eduqas.
Electrolysis is used to extract aluminium from molten aluminium oxide.
Replace the question marks to balance the symbol equation for the overall reaction occurring.
2Al2O3 → ?Al + ?O2 [1 mark]
2Al2O3 → 4Al + 3O2 
Choose the answers to this question from the following symbols and formulae. [2 marks]
Give the symbol or formula for: