Question

mention substances that can be used as indicators ​

Answer 1

Answer:

Explanation:

1. PHENOLPHTHALIEN
2. LITMUS PAPER
3. TURMERIC

Answer 2

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.