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View Water hardness on www.absorblearning.com
Water hardness
Added by Lawrie Ryan on Feb 27, 2008
An interactive animation illustrating an experiment to investigate which metal ions cause water hardness. Click the highlighted areas to add the ions to water with a little soap added. Hard water does not easily lather and forms scum on the surface.
This item is part of Absorb Chemistry.
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This resource is from the Absorb courseware series. It is free to use within this website, however it is PROHIBITED to download this content into your VLE or local computer. See Terms of Use.
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