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| style="height:20px; width:400px; text-align:center;" |Iodine solution is an orange liquid. When the iodine solution is added to starch the iodine solution turns from orange to blue-black.
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===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/0008158754/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158754&linkCode=as2&tag=nrjc-21&linkId=27ad53b0283feeff7fc5ae04a9e205f107 ''Carbohydrate, pages 55, 56, 100-104, 182, GCSE Biology; Student Book, Collins, AQA '']
:[https://www.amazon.co.uk/gp/product/1471851346/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851346&linkCode=as2&tag=nrjc-21&linkId=3ac654f4b0da781c49c855a1af4c92ea ''Carbohydrates, page 193, GCSE Chemistry, Hodder, AQA '']
:[https://www.amazon.co.uk/gp/product/0198359373/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359373&linkCode=as2&tag=nrjc-21&linkId=952a73bbb09d222ecc4b50d200679849 ''Carbohydrates, pages 40, 46, 128-129, 136, GCSE Biology; Third Edition, Oxford University Press, AQA '']