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Materials and Their Properties
Lively real-life situations demonstrating the science in everyday life.
Last on
Fri 23 Jan 2009
04:00
成人快手 Two except Yorkshire
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Neutralising acids and alkalis
Duration: 00:32
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How neutralisation is used in diving apparatus
Duration: 03:22
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Formation of an oxide
Duration: 03:01
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Acidic, alkaline or neutral
Duration: 03:03
