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Indicactor Lab
Part I of Essay
What is in each test-tube? What proof do I have of this?
Test-tube A: Test-tube A had water in it. I can base this on the fact that it was a neutral, reacting neither to red or blue litmus paper. Phenolphthalein also did not react to this substance. The pH value was 7, neut .... Part II of Essay
.... The substance was clear and had a strong odor to it. These results led me to my conclusion that substance C is ammonia.
Test-tube D: Test-tube D contained lemonade. The substance reacted to blue litmus paper, and red litmus underwent no changes. It had no effect on Phenolphthalein, and its pH value was 3, a strong acid. Knowing that lemons are very acidic, and that the substance was yellow and sweet smelling, I concluded that substance D was lemonade.
Test-tube E: I could not come to a conclusion on what substance E was. It reacted wea ....
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Words: 430 - Pages: 2
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