http://www.ck12.org Chapter 2. Matter and Change
FIGURE 2.6
The modern periodic table.ethanol, and a variety of other dissolved substances. Air is a mixture of nitrogen gas (78%), oxygen gas (21%), and
small amounts of various other gases. Gunpowder is a solid mixture comprised of potassium nitrate (75%), charcoal
(15%) and sulfur (10%).
FIGURE 2.7
Examples of homogenous mixtures: wine
and gunpowder.In theFigure2.7, we see that the components of these mixtures cannot be distinguished from one another. However,
the substances comprising these mixtures can be separated through physical means.