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Credit: Turtle Rock Scientific/SCIENCE PHOTO LIBRARY


Caption: Filtering a suspension of chalk (calcium carbonate, CaCO3) in water (H2O). The milky-white suspension is poured from a beaker through a funnel with a paper filter. Water passes through the filter while chalk does not, accumulating on the filter in the funnel.

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Keywords: beaker, caco3, calcium carbonate, chalk, chemical, chemistry, filter, filtering, filtration, flask, funnel, mixture, physical, physics, science, separate, separating, separation, suspension, water

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