Suspension of Chalk in Water (2 of 3)

Suspension of Chalk in Water (2 of 3)

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Credit: GIPhotoStock/SCIENCE PHOTO LIBRARY

Caption: Suspension of chalk in water, photo 2 of 3. Sidewalk chalk (calcium sulfate, CaSO4) is poorly soluble in water and forms a white suspension. Photo 1 shows chalk and water separately. Photo 2 shows suspension after chalk is mixed into water. Photo 3 shows chalk settled after some time at the bottom. This is photo 2 of 3.

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Keywords: beaker, calcium, calcium sulfate, calcium sulphate, caso4, chalk, chemical, chemistry, education, gypsum, liquid, mineral, photo series, plaster of paris, sediment, sedimentation, serial, series, settle, sidewalk chalk, solid, still life, suspension, water

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