Elements: Pure gold bar , 24 carat silver 99.99%, Oxygen gas (O2), N-N (Nitrogen gas=N2)Fe, Mercury inside a thermometer, Fe, Neodymium , Gallium, Diamond (pure carbon), H-H (H2=hydrogen gas), Compunds: Pure distilled water (H2O), Methane gas (CH4) in a BBQ cylinder, Pure CO2 , H2O2 (hydrogen peroxide), Pure ascetic acid (Vitamin C), Crystals of sodium chloride (purified table salt), Li2O (dilithium chloride), CaCO3 (calcium carbonate), Sugar (C6H12O6) also known as glucose, CaCl2 (calcium chloride), Mixtures: Milk (fats, water, proteins, additives), Seawater (water+salts+gases+organic debris), The air (N2 + Ar + O2 + H2O + CO2), Soil, Blood, A pizza, Paper (wood fibres, clay minerals), Chocolate bar, Ice cream (fats, water, preservatives, colours, emulsifiers), A rock like sandstone, Steel (alloy of various metals), N2 + Ar + O2 + H2O + CO2, Limestone (Ca, Mg) CO3, Mixed nuts, Brown, red, green, yellow or blue smarties,
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Elements Compounds Mixtures
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Utzonreed1
Secondary
Science
Atomic structure
Periodic table
Mixtures and separation techniques
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