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Answers
Answer:
Aim: Create a natural indicator using red cabbage.
Objective: To find out whether red cabbage is a natural indicator.
Experiment:
Chop some red cabbage and put it in a mixer or a blender.
Add water to it and mix it until a juice is prepared.
Strain this mixture into a glass.
Take different substances like lemon, milk, vinegar, ammonia, bleach etc and mix it with the red cabbage solution.
The color of the substance will change according to their acidity of basicity.
Observation: Acidic substances change the color of the solution from purple to red or pink. Neutral substances turn the purple solution to blue. Basic substances change the color of the purple solution to green or yellow.
Conclusion: Therefore, we can say that red cabbage is a natural indicator.