Tube 4 Lab Report

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From the table of result, the highest percentage of killed bacteria is 99.7% with only 4 live colonies in the tube 1. It proven that vinegar is a great disinfectant as there is a huge number of killed bacteria. This is because there is 100% of disinfectant. Inversely, tube 4 has the lowest percentage of killed bacteria, where only 37.5% of bacteria are killed. Tube 4 has a huge number of live colonies with 580 colonies. With the negativity of result, tube 4 has lower percentage of killed bacteria than tube 7. Theoretically, the lowest percentage of killed bacteria must belonged to tube 7 because tube 7 has only 0.0001% of disinfectant compared to tube 4 with 0.1% of disinfectant. This is because of some errors during conducting the experiment.

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