Provide two examples in which paper chromatography could be applied.
Identifying food coloring, to identify illegal drugs at the airport, to identify dyes used in ink.
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15
This method allows to obtain a pure liquid from a solid-liquid or liquid-liquid mixture, also it is very common to use some laboratory apparatus to carry out it. What is the technique?
Distillation
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15
ย Inย filtration and in evaporation , the ______ represents theย solid particles left after applying the techniques.
residue
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15
Magnetic attraction is used to separate non-magnetic materials from...
magentic materials.
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15
If you want to get a liquid coffee to drink in the morning. What is the best technique to separate the ground coffee from the hot water?
Filtration
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15
This isย a separation technique used to separate an insoluble solid from the liquid in a liquid-solid mixture.
Filtration
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15
True or false:ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย The technique used to separate a mixture depends on the physical properties of substances that made up a mixture, and also from the substance that will be obtained.
True
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15
Complete this idea: ___________ is not able to separate the components of a solution, but the ___________ should be able to pass through pores in a ___________. (solution, filter, filtration)
Filtration-solution- filter
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15
This is a technique used to separate small amounts of substances from mixtures based on the different solubilities of the components in a particular solvent.
Paper chromatography.
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15
Evaporation is aย techniqueย used to separate dissolved solids from a ...........
liquid-solid mixture.
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If I have a processing cereal plant,ย and accidentally metal pieces get into the product.ย ย ย ย ย ย What technique would youย use to separate the metal pieces fromย the cereal?
Magnetic attraction.
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15
What are the two main processes involved in distillation technique?