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Indicactor Lab
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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, neutral, also adding to the proof that this substance was water, because water ....
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.... substance D was lemonade.
Test-tube E: I could not come to a conclusion on what substance E was. It reacted weakly to blue litmus paper, and it did not change red litmus. It had no effect on Phenolphthalein, but its pH value tested as 7. This cannot be correct however, because all acids have a pH value less than 7. The appearance and smell were.... |
| Word count: 430 |
Page count: 2 |
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