lexijackson331 lexijackson331

07-12-2017
Biology

contestada

Which is an example of a pure substance? A. air B. salad C. hydrogen D. sugar water

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shelbylogan31 shelbylogan31

07-12-2017

c hydrogen is the answer i believe

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xoutassassin xoutassassin

07-12-2017

Hydrogen. Because air is not pure because of pollution, salad is a solid substance so therefore cannot be pure and sugar water isn't pure because the sugar affects the waters state of purity. So, that leaves hydrogen

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good job