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phenol red turns yellow because it reacts to carbonic acid, which is a product of carbon dioxide mixing with H2O, or water. Phenol red is a Ph indicator, but not a very good one, so it reacts to strong acids (yellow orange) and strong bases (pink)

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What does procedure mean in a experiment?

A procedure in an experiment refers to the set of steps or instructions that are followed to conduct the experiment. It outlines how the variables will be manipulated and measured in order to test a hypothesis and obtain results. Following the procedure accurately is crucial for ensuring the reliability and validity of the experiment.


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The result of an experiment refers to the outcome or findings obtained from conducting the experiment. It is the data or observations collected during the experiment that are used to draw conclusions and make inferences. Results are typically analyzed and interpreted to determine whether they support or refute the hypothesis being tested in the experiment.


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