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Go behind the scenes of gastronomy and film tricks: objects in flames do not always burn, do they?
In this video we are experimenting with food colourings.
We produce carbon dioxide with sodium hydrogen carbonate and citric acid. It is a skyrocketing...
A fuel cell provides environment-friendly electric energy produced by the chemical...
Electric current of small voltage can be created by using fruit, similarly to the Daniell cell.
The reaction of baking soda and vinegar tinted with red food colouring resembles a volcanic...
When heated, powdered sulphur reacts with powdered zinc, releasing heat.
This animation shows the electron configuration of the calcium atom.