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, ...

What is your conclusion? Is it acidic or basic? Red cabbage juice is an indicator. When it comes into contact with a base, like baking soda, it turns blue/purple. When it's mixed with an acid ...

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 ...

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 ...

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 ...

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 ...

becoming pink/red. In a basic alkaline environment, this molecule becomes a completely different color. Cabbage juice is a known natural pH indicator, often used to test imbalances in agriculture ...