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Chromatography

Explain how the colours in a orange drink samples become separated on the chromatography paper?

Colour has different distribution so therefore it is carried further.

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Chromatography

Describe on similarity and one difference between thin layer chromatography and paper chromatography.

Similarity- different solutes travel different distances.

Difference- medium is different

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Chromatography

Suggest why scientists use thin layer chromatography instead of paper chromatography.

Permanent felt tip ink does not dissolve so it would not travel well on paper.

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Esters

Which two types of organic compound react together to make an ester?

Alcohol and Carboxylic acid.

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Esters

Few esters used be flavor foods are extracted from fruits. Most of these esters are produced by chemical synthesis. Suggest why

-synthesis is cheaper

-extraction from fruits are more complex

-fruit takes a long time to grow

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