Title : ORGANIC I Aim : To investigate the difference between a monomer glucose and its polymer starch . Apparatus : glucose , starch , aqueous iodine , sodium hydroxide , copper sulphate , test tubes , Bunsen burner Directions : This will be done as a class demonstration . Please observe and take notes . Place a small amount of glucose on a white tile and starch on another . Add a few drops iodine to both and observe . Add the substances to test tubes and add water to test for solubility . Add to test tubes and add sodium hydroxide and copper sulphate and warm .