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Steve, Sarah, Richard, and Kate each run paper chromatography on unknown liquids. Steve gets a red band, Sarah gets a yellow band, Richard gets a green band, and Kate gets a yellow band and a blue band. Which student might have had a mixture?

Steve

Sarah

Richard

Kate

Respuesta :

syed514
Steve, Sarah, Richard, and Kate each run paper chromatography on unknown liquids. Steve gets a red band, Sarah gets a yellow band, Richard gets a greenband, and Kate gets a yellow band and a blue band. 

I am pretty sure it would be Kate since she got 2 different colored bands.

PBCHEM

Answer : Option D) Kate

Explanation : After carrying out the paper chromatographic separation on unknown liquids, it was Kate who got two colors of band on the paper chromatogram which indicates the presence of mixture. If there is only one color of band visible on the paper chromatogram then it has only one pure component. The mixture shows that it is not properly separated as pure components so, there were two bands of color that were developed on the paper chromatogram.

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