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Decantarea si filtrarea

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Camelia Iuliana

on 11 November 2012

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Transcript of Decantarea si filtrarea

Decantarea si
filtrarea Metode de separare a
substantelor din amestecuri:
Decantarea – operaţia de separare a unui solid dintr-un amestec eterogen solid – lichid; se foloseşte când densitatea solidului este mai mare decât a lichidului.
Exemplu: – obţinerea apei potabile din ape naturale;
- purificarea sării. Filtrarea
Filtrarea =este operatia de separare a unui
solid dintr-un lichid cand solidul are
densitatea mai mica decat lichidul si nu
se dizolva
☺ ★ *Decantarea

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