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Botanical laboratory
Variety of laboratory flask containing transition metal salts
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Pipette in laboratory flask containing transition metal salts
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Beaker filled with coloured liquid
Manganese (III) chloride solution
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Green science, conceptual image
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Diffusion in water
Flask with purple liquid
Empty tubes in a test tube rack
Potassium permanganate crystals in dish
Two glass flasks containing Potassium
Chemistry research, conceptual image
Liquid in round-bottomed flask
Liquid in conical flask
実験器具
Chemistry experiment in lab
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Test tubes in a holder
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Beaker containing calcium ethanoate
Conical flask containing yellow liquid
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Potassium manganate solution
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Flasks, test tubes and mortar on shelf against white background
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