Here’s a classification of the substances into homogeneous and heterogeneous mixtures:
| Substance | Type of Matter | |-------------------------|-------------------------| | Saltwater | Homogeneous mixture | | Iron | Element | | Salad | Heterogeneous mixture | | Carbon Dioxide | Compound | | Air | Homogeneous mixture | | Oil and Water Mixture | Heterogeneous mixture | | Lemonade | Homogeneous mixture | | Oxygen | Element | | Salt | Compound | | Spaghetti | Heterogeneous mixture |
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