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Title: Classifying Mixtures Post by: jmarc on Jun 6, 2019 > Classify each of the following as a pure substance (element or compound) or a mixture (homogeneous or heterogeneous):
a. copper in copper wire b. a chocolate-chip cookie c. nitrox, a combination of oxygen and nitrogen used to fill scuba tanks > A salad dressing is prepared with oil, vinegar, and chunks of blue cheese. Is this a homogeneous or heterogeneous mixture? Title: Re: Classifying Mixtures Post by: bio_man on Jun 18, 2019 https://www.youtube.com/watch?v=YVbtVXtJAUA
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