Conclusion: The graph shows a opponent proportional relationship between the time and the number of discharges required to decolourise the DCPIP solution: the long the sneak is boiled, the less drops atomic number 18 needed. The graph shows the effect that ready hat on feed: because of the boiling, vitamins are lost. The loss of vitamins is peck to the fact that when heated, the cell membranes burst, release the ascorbic acid. Vitamin C, the most reactive fall by the wayside agent known to perish naturally in aliveness tissues, is an essential nutrient for humans. It is weewee soluble and is found in many foods, especially in plants. Lack of this vitamin in the diet, all over a prolonged accomplishment of time will sensation to the development of scurvy; little levels of this vitamin in the diet is withal important for its antioxidant properties. This concludes that cabbage, as tumefy as other vegetables is oft beneficial for humans if consumed fresh. Evaluation: The experiment has proved the aim and idea: through boiling, vegetables loose vitamins. plainly even so, there were a few weaknesses in this experiment. One of the chief(prenominal) weaknesses superpower be that we did non conceive accurately the number of drops. We use a pipet to gull up water and total drop by drop to the DCPIP solution.

But sometimes we might rent squished to sonorous the pipet and drop a larger amount so we should have, therefore we had to approximate the number of drops that were added. To dupe this experiment to a great extent accurate we could have done a titration, and kinda of criterion the drops needed to be added, we would have measured the millilitres. Another weakness would be due to the leafs that were apply to boil. For the experiment, we used a jet plane cabbage which has leafs usually tightly compacted. If you want to get a liberal essay, order it on our website:
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