The Group's Blog: Today's Teaser.......

Tuesday, November 10, 2009

What scale of zero to 14 is used to measure acidity or alkalinity?
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tim said...: ph scale; November 10, 2009 at 6:23 AM
Jim (Jimbo) (Jing) said...: Right, well done Tim!; November 10, 2009 at 6:44 AM