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Chemistry, 16.11.2019 05:31 violetagamez2
Which sample is a pure substance?
(a) a test tube of zinc oxide
(b) a container of zinc and oxygen
(c) flask of pond water
(d) a jar of soil
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Answers: 3
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Which sample is a pure substance?
(a) a test tube of zinc oxide
(b) a container o...
(a) a test tube of zinc oxide
(b) a container o...
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