Question

Any one naturally occuring indicator

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Answer 1

Answer:

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Explanation:

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.

Answer 2

Answer:

turmeric

Explanation:

thermal stress is also used as natural indicator turmeric is of yellow colour turmeric paper turn into red when it is dipped in two basic solution turmeric paper does not change its colour with acids

activity uses turmeric a common spice in curry as an indicator for acidity and basicity turmeric is yellow in acid and naturally substance but turns bright red with bases