Introduction: When somebody was eating at a popular restaurant they suddenly felt ill. Fortunately a white powder was discovered on the victim leading them to believe that the powder was the cause of the victim feeling ill. The restaurant narrowed the substance to be one of the white powders they use in the restaurant and compare it to the mystery powder. The five white powders were; icing sugar, cornstarch, aspirin powder, baking soda, baking powder. To test it out they mixed each white powder including the mystery powder with four different liquids. The liquids were; water, universal indicator, vinegar, and iodine. For example, when they mix the four liquids with the powder, one of the powders should have the exact same chemical and physical reactions as the mystery powder does. If none of the powders match the
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5 drops of water was added to each of the 5 different samples in the first column of the spot plate. Each content was stirred well using a toothpick. Each sold was recorded as either soluble or insoluble.
One drop of the universal indicator was added to each of the five wells containing the water and sample from step 4. Each content was mixed well. Observations were recorded.
5 drops of vinegar were added to each of the five samples in the second column of the spot plate. Each content was mixed well. Observations were recorded.
2 drops of iodine solution was added to each of the five samples in the third column of the spot plate. Each content was mixed well. Observations were recorded.
Using a scoopula, a small sample of the mystery powder was added to the three wells of the the spot plate. The appearance of the powder was recorded.
Steps 4-7 were repeated using the mystery powder.Observations were recorded.
The contents of the spot plate was disposed into the waste disposal beaker. All materials were cleaned and returned.
Observations:
Table:1 Observations about Chemicals reacting
5 drops of water was added to each of the 5 different samples in the first column of the spot plate. Each content was stirred well using a toothpick. Each sold was recorded as either soluble or insoluble.
One drop of the universal indicator was added to each of the five wells containing the water and sample from step 4. Each content was mixed well. Observations were recorded.
5 drops of vinegar were added to each of the five samples in the second column of the spot plate. Each content was mixed well. Observations were recorded.
2 drops of iodine solution was added to each of the five samples in the third column of the spot plate. Each content was mixed well. Observations were recorded.
Using a scoopula, a small sample of the mystery powder was added to the three wells of the the spot plate. The appearance of the powder was recorded.
Steps 4-7 were repeated using the mystery powder.Observations were recorded.
The contents of the spot plate was disposed into the waste disposal beaker. All materials were cleaned and returned.
Observations:
Table:1 Observations about Chemicals reacting