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What is the Difference between co precipitation and post precipitation?
• Precipitation is settling down of insoluble particles from a solution. Co-precipitation is a process in which normally soluble compounds are carried out of solution by a precipitate. • In precipitation, normally insoluble compounds are precipitated. But in co-precipitation normally soluble compounds are precipitated. • Co-precipitation incorporates contaminants into the precipitate, whereas precipitation can result in both pure and contaminated precipitates.
What is potassium hydroxide or sodium hydroxide?
What do you want to know about it? Potassium hydroxide will dissolve in water to form a solution containing disassociated Ka+ and OH- ions. Potassium hydroxide is a strong alkali. Potassium hydroxide has the chemical formula KOH.
Is hydroxide ion a anion or cation?
The hydroxide ion (OH-) is an anion because it carries a negative charge. It is formed when a hydrogen ion (H+) is removed from a water molecule (H2O).
What are the impurities in bauxite?
Impurities commonly found in bauxite ore include iron oxide (rust), silica (sand and quartz), and various other minerals. These impurities must be removed during the refining process to produce high-purity alumina for aluminum production.
What substance can be used to get rid of sulphur dioxide?
Substances like activated carbon, hydrogen peroxide, or sodium hydroxide can be used to remove sulfur dioxide. These substances react with sulfur dioxide to form less harmful compounds or to neutralize its effects.
How insoluble impurities removed during recrystallization?
Insoluble impurities are removed during recrystallization by filtration. After dissolving the mixture in a hot solvent and allowing it to cool, the desired compound forms crystals while the insoluble impurities remain suspended in the solution. The crystals are then collected through filtration, separating them from the impurities.
How are soluble impurities removed during a recrystallization?
Soluble impurities are removed during recrystallization by dissolving the impure solid in a hot solvent, then filtering the hot solution to remove insoluble impurities. The solution is then cooled slowly, allowing the pure compound to crystallize out while the impurities remain in solution. The pure crystals can be separated from the solution by filtration.
How insoluble particles can be removed from hot solution?
Insoluble particles can be removed from hot solution by filtration.
How are insoluble impurities removed during recrystallization?
Using a gravity filtration. The desired compound that is dissolved in the heated solvent will pass through the filter and any insoluble impurities will be caught in the filter.
How does the recrystallization produce remove solvent soluble impurities?
Soluble impurities are removed by a process of vacuum filtration
How can insoluble particles can be removed from a hot solution?
Boil the solution. it works for salt water. If the particles are insoluble, you don't need to boil anything... just filter the solution using filter paper. (Salt water is soluble -- it is dissolved, but an insoluble particle is a solid in the liquid).
How does the activated charcoal removed colour impurities from a solution?
Activated charcoal works through a process called adsorption, where the impurities in the solution adhere to the surface of the charcoal. The porous structure of activated charcoal provides a large surface area for the impurities to bind to, effectively removing them from the solution. This process helps to effectively trap and remove color impurities, making the solution clearer.
How are the insoluble solids removed from the water?
Insoluble solids can be removed from water through processes such as filtration, settling, or centrifugation. Filtration involves passing the water through a medium that traps the solids, settling allows the solids to sink to the bottom of a container, and centrifugation uses spinning to separate the solids from the liquid.
How would you describe the process of sedimentation.?
Sedimentation is a process in which insoluble particles can be removed from water or any other liquid item.when the impurities in the liquid is stirred and left for a while the impurities in the liquid will gradually settle down at the bottom of the container.This is a process of the settling down of the suspended impurities.
How do you remove impurities from caustic soda solution in water?
Impurities in caustic soda solution can be removed by various methods such as filtration, precipitation, or ion exchange. Filtration can remove solid impurities, while precipitation involves adding a chemical to react with impurities and form a solid that can be filtered out. Ion exchange can remove impurities by exchanging them with ions in a resin.
How can the impurities of common salt be removed?
Common salt impurities can be removed through a process called recrystallization. By dissolving the salt in water, heating it to form a saturated solution, and then allowing it to cool slowly, the impurities will be left behind as the purified salt crystals form. The crystals can then be separated from the impurities.
What impurity is removed during the recrystallization process?
During the recrystallization process, impurities present in the initial sample are removed by dissolving the sample in a hot solvent and then allowing it to cool slowly. As the solution cools, impurities are excluded from the growing crystal lattice and remain in the solvent or are trapped within small crystals that are later filtered out. The final purified crystal product is then separated from the remaining solution.
