…showed first 75 words of 3606 total…

…showed last 75 words of 3606 total…syringe should be properly cleaned and dried before the start of the experiment. Another problem was the residue of water left in the boiling tube after washing the equipment each time. This could be eliminated by drip-drying the boiling tube, rather than just leaving it to dry. (I would not dry it using a towel, as that could leave residue which could affect the reaction.) Bibliography Internet Websites A-Level Textbook GCSE Textbook, Dictionary of Science.