The easiest way to explain mixtures in chemistry is to talk about food.
Think about mixtures in terms of cooking, and there isn’t much I need to tell you. A salad, like the one pictured above, is a mixture. So is chicken noodle soup. So is…hmm, so is lemonade.
I told you we’d be talking about lemonade soon.
Even air is a mixture—of different gases. Believe it or not, we don’t just breathe in oxygen. In fact, if we breathed in pure oxygen, it would be poisonous. We inhale a little bit of nitrogen, too.
A mixture is—by textbook definition—a physical blend of two or more substances. Continue reading