What’s a Mixture? How does heterogeneous differ from homogeneous mixture? And how can mixtures be separated? posted on August 11, 2017 What's a Mixture? A mixture is when two or more chemicals are intermingled (mixed) with each other. Pay attention to the text in bold: intermingled. When you add salt to sand, you have created a …Continue Reading about What’s a Mixture? How does heterogeneous differ from homogeneous mixture? And how can mixtures be separated? →