Question

What are natural indicator? How are they prepared? Discuss the colour change of red cabbage juice in acidic,basic,and natural medium?

Answer 1

Answer:

Natural Indicator is a type of indicator that can be found naturally and can determine whether the substance is an acidic substance or a basic substance. Some examples of natural indicators are red cabbage, turmeric, grape juice, turnip skin, curry powder, cherries, beetroots, onion, tomato, etc.

It is ed, pink, or magenta in acids, (pH < 7), purple in neutral solutions (pH ≈7), and ranges from blue to green to yellow in alkaline solutions (pH > 7).[5]