Pure Substances and Mixtures

  
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The pH Factor

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http://www.miamisci.org/ph/

Online activities to explain pH of mixtures and explanations of molecules. Read the teacher's guide for classroom lesson ideas.

Test your knowledge about hazardous waste in your home

Your rating: None Average: 1 (2 votes)
http://www.learner.org/exhibits/garbage/hazardous/

An on-line test of your WHMIS knowledge.

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