Baking powder rocket

We produce carbon dioxide with sodium hydrogen carbonate and citric acid. It is a skyrocketing success!

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Surface tension of liquids 2

In this video we are experimenting with food colourings.

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We observe whether a razor blade can float on the surface of different liquids.

The Daniell cell

We can generate electricity with the help of a salt bridge and by immersing a zinc electrode in...

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The method of separation of substances in a mixture depends on their different properties.

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