Find your added subjects in My Bitesize. Try this quiz based on GCSE Chemistry past papers. Choose the topic you would like to revise and answer the questions. GCSE Chemistry: exam-style questions OCR ...
Step 1 – Hot air (oxygen) reacts with the coke (carbon) to produce carbon dioxide and heat energy to heat up the furnace. C(s) + O 2 (g) → CO 2 (g) Step 2 – More coke is added to the furnace and ...
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