Question detail
What is chromatography and how is it used to separate mixtures?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Question
What is chromatography and how is it used to separate mixtures?
Answer
Chromatography is a separation technique that involves passing a mixture through a medium where the components move at different rates. This allows for the separation of substances based on their differing affinities for the stationary phase and the mobile phase.
Explanation
This answer is strong because it defines chromatography and explains its function in separating mixtures, directly addressing the learning objective. The question tests the understanding of the chromatography process.
Common mistake
Misunderstanding Chromatography
Students often think that chromatography can separate any type of mixture, including those that are not soluble in the chosen solvent.
Emphasize that chromatography is effective only for mixtures where the components are soluble in the solvent used.
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