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Name the process by which a pure solid can be separated from solution in crystal form.

Question

Name the process by which a pure solid can be separated from solution in crystal form.

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Solution

The process by which a pure solid can be separated from a solution in crystal form is called Crystallization. Here are the steps involved in this process:

  1. Preparation of a Saturated Solution: The first step in the crystallization process is to prepare a saturated solution. This is done by dissolving the maximum amount of solute in a solvent at a high temperature.

  2. Cooling the Saturated Solution: The next step is to cool the saturated solution slowly. As the solution cools, the solubility of the solute decreases, and it starts to separate out from the solution.

  3. Formation of Crystals: As the solute separates out, it forms crystals. These crystals are pure substance as only the solute can form part of the crystal lattice.

  4. Separation of Crystals: The crystals are then separated from the remaining solution by filtration.

  5. Drying of Crystals: The final step is to dry the crystals to remove any remaining solvent. This can be done by blotting the crystals with a filter paper or by leaving them in a warm place to dry.

This process is commonly used in industries and laboratories to purify solids.

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Similar Questions

Name the technique used to separate a soluble solid from a solution.

Crystallisation separates a solid (the solute) from a liquid (the solvent).

Name the technique used to separate a solid from a liquid.

Separation technique used with evaporation to collect a dissolved solid from a liquid, forming crystals

Which method would you use to separate an insoluble solid from a liquid?DistillationFiltrationCrystallisationChromatography2Which of the following statements is not true?The mixture formed by a solvent and solute is called a solutionA solvent is a liquid that dissolves substancesThe different elements in a mixture are chemically joined togetherA substance that dissolves in a solvent is called a solute3What is another name for crystallisation?DistillationChromatographyEvaporationFiltration4Which method would you use to purify salty water?EvaporationFiltrationChromatographyDistillation5What is fractional distillation used to separate?Two or more liquids with the same boiling pointTwo or more dissolved solids from a solutionA soluble solid from a liquidTwo or more liquids with different boiling points6In paper chromatography – a method used for separating dissolved substances from one another – why should the level of the solvent in the beaker be below the pencil line on the paper?To prevent it from contaminating the solventTo prevent the spots of coloured substances from dissolvingTo prevent it from turning the paper mouldyTo prevent it from washing away the pencil line

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