Question

how many of the following are natural indicators​

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.

Explanation:

Answer 2

Answer:

• Indicator are the substance  which shows basic and acidic behavior.
• Substance by changing in colour  are called as indicator.
• Natural indicators are obtained by nature.
• Natural Indicators are as follow :

1. Turmeric
2. Lichens
3. Litmus
4. China rose.

• Hydrogen ions(H+) and Hydroxyl ions(OH-)are used to detect natural indicator.
• Indicator helps to determine nature of substance.
• Indicators are essential to for following terms :

1. environmental science
2. chemistry
3. food science and in many other terms.