State the principle involved in separation of solid-liquid mixtures by – (a) sedimentation and decantation (b) filtration (c) evaporation
State the principle involved in separation of solid-liquid mixtures by –
(a) sedimentation and decantation
(b) filtration
(c) evaporation
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(a) Sedimentation and decantation —
Principle — The solid component is insoluble and heavier than the liquid component.
Example — Mixture of sand and water
(b) Filtration —
Principle — Seperation of insoluble solid component by passing through a porous material like filter paper.
Example — Mixture of chalk and water, Mixture of Agcl and Water.
(c) Evaporation —
Principle — Seperation of the mixture by evaporating the liquid component. The solid should be soluble in the liquid and should not sublime.
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