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The iodine clock reaction is a classical chemical clock demonstration experiment to display chemical kinetics in action; it was discovered by Hans Heinrich Landolt in 1886

[๐Ÿ“น Mr A Shepherd]

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Massimo(@Rainmaker1973) 's Twitter Profile Photo

Have you ever seen a wild eastern spotted quoll?

They went extinct in Australia mainland 50 years ago but they're still populating Tasmania.

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