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We observe whether a razor blade can float on the surface of different liquids.
Examination of dissolved carbon dioxide in a bottle of carbonated water.
An exercise about the polarity of molecules.
Electrochemical processes in a lead-acid battery produce electric current.
In benzene there are sigma bonds and delocalised pi bonds between carbon atoms.
During freezing hydrogen bonds are formed between water molecules resulting in a...
An exercise about the groups and structure of mono-, di- and polysaccharides.
When the essential oil from the peel touches the candle flame, it burns and creates a...