Separating Mixtures: Settling, Filtration and Evaporation

Also called

separation of substances · methods of separation · sedimentation and decantation · settling and decanting · filtration · filter paper · evaporation · separating sand and water · separating salt from water · insoluble and soluble · residue and filtrate

Topics

• Insoluble sand settles under gravity to form a sediment (sedimentation)
• Decantation pours off the upper liquid but can carry fine particles with it
• Filter paper retains suspended sand (residue) and lets water through (filtrate)
• Ordinary filter paper cannot remove dissolved salt; the salt stays in the filtrate
• Evaporation removes water into the air and leaves the same amount of dissolved salt behind as crystals
• Choosing a separation method depends on whether the solid is insoluble or dissolved
• Particle views are schematic and not to scale; vapour markers are symbols because water vapour is invisible

About this model

A GLB file of about 1056 KB, shown in Lably's 3D viewer and, on a phone, placed in your room with AR. Credit: Beaker, evaporating dish and hot plate meshes: 'Lab Assets' by MilkAndBanana (OpenGameArt, CC0 1.0). Funnel, filter paper, stand, liquids, particles, cards, particle views and all animation: authored for Lably. | CC0 1.0 (lab equipment meshes by MilkAndBanana); all other geometry and animation newly authored for Lably

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