You are not currently logged in. Please create an account or log in to view the full course. Classic View Chemistry GCSE OCR OCR Combined Science A GCSE (J250): Higher Tier Topic C6: Global Challenges Classic View Topic C6: Global Challenges FUELS, HYDROCARBONS AND ORGANIC REACTIONS - OCR COMBINED SCIENCE (J250) Characterising, Using and Extracting Alkanes - 6.2j-6.2o Dr Noha Ziedan, Chester University