Do water filters (such as Brita) work by physics or by chemistry?
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yoho05 reminds you to DYOH
ANSWERS: 2
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Both. Without physics how are you going to get the water to move through the filter. Brita cartridges contain a combination of ion exchange resin and activated carbon. The carbon absorbs chlorine, pesticides and organic pollutants, improves taste, and eliminates odours and discoloration. It also contains an inhibitor that prevents bacterial growth. The ion exchange resin removes the temporary hardness, which causes limescale; it also significantly reduces levels of metals such as aluminium, copper and lead.
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both, but mainly physics
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