Asked by Marshall Walton on Apr 26, 2024
Verified
All of the following are true about the cabbage water tests, except
A) red cabbage contains a pigment that functions as a colorimetric pH indicator.
B) distilled water is used in this experiment as an example of a neutral substance.
C) vinegar is added to one of the test tubes as an example of an acidic substance.
D) baking soda is used in this experiment as an example of a basic substance.
E) All of the choices are correct.
Colorimetric PH Indicator
A chemical compound that changes color in response to changes in pH, used to determine the acidity or alkalinity of a solution.
Neutral Substance
A chemical compound that is neither acidic nor basic in nature, often having a pH level of around 7.
Acidic Substance
A substance with a pH less than 7, which donates hydrogen ions when dissolved in water.
- Gain insight into the pH scale and understand its significance, especially considering how hydrogen (H+) and hydroxide (OH-) ions contribute to the determination of a substance's acidity or basicity.
- Identify the significance of color changes in detecting the presence and concentration of specific substances in chemical tests.
Verified Answer
FM
Learning Objectives
- Gain insight into the pH scale and understand its significance, especially considering how hydrogen (H+) and hydroxide (OH-) ions contribute to the determination of a substance's acidity or basicity.
- Identify the significance of color changes in detecting the presence and concentration of specific substances in chemical tests.