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Why crystals disappear during suction filtration of a sample crystallized from benzene?
Crystals may disappear during suction filtration of a sample crystallized from benzene if the crystals dissolve in the solvent being used for filtration, or if they break up into smaller particles that pass through the filter. This can happen if the crystals are not fully dried or if too much force is applied during filtration.
Why a vacuum filtration is avoided when crystals are isolated from a very volatile solvent?
Vacuum filtration is avoided when isolating crystals from a very volatile solvent because the reduced pressure can cause the solvent to evaporate rapidly, potentially leading to loss of the desired crystals. Instead, techniques such as simple gravity filtration or evaporation are more commonly used to isolate crystals from volatile solvents.
What do you see when distilled water is added to washing soda crystals?
When distilled water is added to washing soda crystals (sodium carbonate), it dissolves the crystals to form a clear, colorless solution. This happens because washing soda is water-soluble, meaning it can dissolve in water to form a homogeneous mixture.
2 Do you think that washing soda could be used for the same purpose as baking soda?
Yes, washing soda can be used for similar purposes as baking soda, but it is more alkaline and powerful, so you may need to use less of it. Washing soda is great for cleaning and deodorizing, just like baking soda, but it should be handled with care as it can be more abrasive.
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.
Why crystals disappear during suction filtration of a sample crystallized from benzene?
Crystals may disappear during suction filtration of a sample crystallized from benzene if the crystals dissolve in the solvent being used for filtration, or if they break up into smaller particles that pass through the filter. This can happen if the crystals are not fully dried or if too much force is applied during filtration.
How is filtration used in everyday lives?
filtration can be used in washing machines and filtering water.
Can washing powder be separate from water by filtration?
It cannot
Why a vacuum filtration is avoided when crystals are isolated from a very volatile solvent?
Vacuum filtration is avoided when isolating crystals from a very volatile solvent because the reduced pressure can cause the solvent to evaporate rapidly, potentially leading to loss of the desired crystals. Instead, techniques such as simple gravity filtration or evaporation are more commonly used to isolate crystals from volatile solvents.
How does a washing machine use filtration?
A washing machine uses filtration by trapping lint and debris during the wash cycle with a lint trap or filter. This helps prevent these particles from clogging the drain or affecting the cleanliness of the clothes. The filter needs to be cleaned regularly to ensure proper filtration and efficiency of the washing machine.
Why are crystals formed from washing soda and hot water?
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What do you see when distilled water is added to washing soda crystals?
When distilled water is added to washing soda crystals (sodium carbonate), it dissolves the crystals to form a clear, colorless solution. This happens because washing soda is water-soluble, meaning it can dissolve in water to form a homogeneous mixture.
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.
2 Do you think that washing soda could be used for the same purpose as baking soda?
Yes, washing soda can be used for similar purposes as baking soda, but it is more alkaline and powerful, so you may need to use less of it. Washing soda is great for cleaning and deodorizing, just like baking soda, but it should be handled with care as it can be more abrasive.
Why do you need to carry out two types of filterations to achieve purification of solids in recrystallization work?
The compound that you are trying to recrystallize is soluble in hot solvent but relatively insoluble in cold solvent. You also must remove an impurity that is insoluble in hot and cold solvent. The first filtration (a hot filtration) is to filter out the impurity. The second filtration (a cold filtration) is to filter out the (hopefully pure) recrystallized compound.
What is the purpose of a washing machine?
To wash your clothes
What is the purpose of a dishwasher?
For washing dishes and pans.
