PLUS is the amazing new learning system from Freesciencelessons. PLUS contains thousands of interactive questions to embed your knowledge and understanding. All your answers are tracked, allowing you to assess the areas that you need to work on and boost your grades. Check it out at https://www.freesciencelessons.co.uk/... In this video, we start looking at the reactions of alkenes. We look at combustion and hydrogenation. This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Chemistry. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks. Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/...) Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ Image credits: All images were created by and are the property of Autonomy Education Ltd.