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, ...

Check out the cool chemistry stuff you can do with a red cabbage! Add about 1 cup of water ... But when acid in the lemon juice gets in the water a reaction makes the indicator molecule change so the ...

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 ...

Discover how red cabbage can act as a natural pH indicator, revealing whether substances are acids ... using a scale from 0 to 14. Acids (like lemon juice) have low pH values, while bases (like bleach ...

Acidic substances should make the cabbage indicator turn bright ... the pigment has a red/pink appearance. This explains the bright result of our lemon juice test. Equally, at lower concentrations ...

Prepare desired household chemicals, ie: vinegar, soap, ammonia, lemon juice, clear soda pop, drain cleaner, baking soda solution, etc. If desired, prepare red cabbage indicator by boiling red cabbage ...