A revision website for GCSE Science and A-level Chemistry

London, England
Joined June 2014
An old video (12 years ago!) of a very large and dangerous thermite reaction I did. Aluminium displaces the iron in iron oxide exothermically. If you look closely you can see me lighting the reaction, and then almost getting killed in the process. #science #dangerous #chemistry
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Giant periodic table?" Completed it mate". With thanks to @compoundchem for the amazing infographics.
The Dragon's Breath demonstration. Blowing icing sugar through a Bunsen flame. The huge surface area allows the icing sugar to ignite, this effect is one of the reasons that flour mills and their like have to be so careful. #dragon #science #chemistry #demonstration
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A-level Pre-Exam Update! - Check out the A-level chemistry exam section for more model answers.
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So here I have the Zn as an anode but it's positive yet your table says for voltaic cells it's negative. I seem to be missing a link as to why fuel cells specifically are different.
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