An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

Potatoes are slightly acidic, though they may have alkalizing effects. Overall, potatoes are unlikely to impact health ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The pH of your stomach acid can vary due to health conditions, medications, and other factors. Having a pH that is too high or too low can cause complications. Stomach acid, or gastric acid, is a ...