A pH or acid-base indicator is a compound ... a color change can also be used as evidence that a chemical reaction has occurred. Students will explore what happens during neutralization by using a ...

This educational film explores acid-base indicators and their color changes in response to acidity. It demonstrates how substances like tea, red cabbage, and litmus paper react when acids are added, ...

Chemical reactions make new chemicals ... but make sure you don’t get any of the chemicals in your eyes.Ethanoic acid is the chemical name for vinegar.Sodium bicarbonate is also known as ...

Red cabbage contains a chemical called anthocyanin. This pigment is a natural acid-base indicator. It is blue in neutral substances, like plain water. When an acid like lemon juice gets in the water, ...