decide how to separate this mixture if it is not possible please write cannot be separated on the space provided mixture 1 salt and iron filings mixture to water and pebbles mixture 3 salty water
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What does it mean to mix something? Can you mime an explanation (that means you have to explain without saying a single word!)
Is it possible to mix water? Discuss this with your class.
One substance alone cannot be a mixture. A mixture is made up of two or more different substances.
A mixture can contain solids, liquids and/or gases. The components in a mixture are not chemically joined; they are just mixed. That means we do not need to use chemical reactions to separate them. Mixtures can be separated using physical methods alone and that is what this chapter is all about: how to separate mixtures.
There are many different kinds of mixtures. Before we learn how to separate them, it is worth looking at all the different kinds of mixtures briefly.