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Why can't we use chromatography paper to separate different colored pencils?


Guys, please help me, this is due tomorrow!!

Sagot :

chromatography is a way of separating a mixture of chemicals which are in gas or liquid form.  when the paper absorbs the liquid, the different colours from the colouring pencils will not be separated because they are insoluble solid pieces,also because they are solid the colours will not be able to creep up the paper which is why chromatography can not be used to separate different coloured pencils. 
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