We see mixtures all the time in our everyday lives. A stew, for example, is a mixture of different foods such as meat and vegetables; sea water is a mixture of water, salt and other substances, and air is a mixture of gases such as carbon dioxide, oxygen and nitrogen. Definition: Mixture A mixture is a combination of two or more substances, where these substances are not bonded (or joined) to each other and no chemical reaction occurs between the substances. In a mixture, the substances that make up the mixture: are not in a fixed ratio Imagine, for example, that you have 250mL of water and you add sand to the water. It doesn’t matter whether you add 20g, 40g, 100g or anyother mass of sand to the water; it will still be called a mixture of sand and water. keep their physical properties In the example we used of sand and water, neither of these substances has changed in any way when they are mixed together. The sand is still sand and the water is still water. can be separated...
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