Answer:
1:Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances which are chemical elements.
Explanation:<em>There is one phase of matter in a bottle of soda: a liquid phase. Soda is a mixture of water, carbon dioxide gas, and solid sugar.</em>
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