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ELEMENTS- COMPOUNDS- MIXTURES, Winnowing, Hand picking, Filtration,…
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Winnowing
Winnowing is a separation technique in which lighter particles from heavier components are separated out either by blowing air or by the wind.
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Filtration
Filtration is technically defined as the process of separating suspended solid matter from a liquid, by causing the latter to pass through the pores of a membrane, called a filter.
While preparing tea, a filter or a sieve is used to separate tea leaves from the water. Through the sieve pores, only water will pass.
Magnetic seperation
Magnetic Separation is a method of Waste management where magnets are used to separate metal from Refuse.
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Centrifugation
Centrifugation is a method of separating molecules having different densities by spinning them in solution around an axis (in a centrifuge rotor) at high speed.
Separating blood components, clarifying milk, drying clothes, and analyzing pollutants
Distillation
separates a liquid from a mixture based on its boiling point. The liquid is heated, vaporized, then condensed and collected.
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Sublimation
separates a solid that directly changes into gas on heating, leaving non-sublimable substances behind.
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Sieving
Larger particles stay on the sieve, while smaller ones pass through.
Larger particles stay on the sieve, while smaller ones pass through.
Fractional Distillation
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separates a mixture of liquids with different boiling points using a fractionating column. The liquids evaporate and condense at different levels.
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used to speed up sedimentation by adding a chemical (like alum) that helps suspended particles settle quickly.
Evaporation
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separates a dissolved solid from a liquid by heating, allowing the liquid to evaporate and leaving the solid behind.
Chromatography
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separates components of a mixture based on their movement through a stationary phase with a solvent.
Separating funnel
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A separating funnel is used to separate two immiscible liquids based on their densities. The heavier liquid settles at the bottom and is drained first.
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