Select all that are heterogeneous mixtures.
A) soil
B) steel
C) concrete
D) kool...
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Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes
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Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+
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Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating
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