Elements, Gold (Au), Iron filings (Fe), Oxygen gas (O2), Copper wire, Aluminium foil, Compounds, Pure Water (H2O), Table Salt (NaCl), Carbon Dioxide (CO2), Chalk (Calcium Carbonate), Baking Soda, Mixtures, Air we breathe, Seawater, Lemon juice, Soil/Mud, Stainless steel spoon

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