Question

name some natural indicators​

Answer 1

Answer:

Many plants contain their own indicators – turmeric, red cabbage juice and beetroot juice are three good examples. Other examples are tea and red grape juice. Hydrangea flowers are different colours depending on whether the soil is acid or alkali. In acid soil they are blue and in alkaline soil they are red!

Explanation:

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Answer 2

Turmeric, red cabbage, alkali etc....