explain natural and synthetic indicators and its action with acidic basic and neutral solutions
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Acid can change red litmus to blue while base can change blue litmus to red
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Some examples of natural indicators are turmeric, grape juice, red cabbage, cherries, onion, beetroot etc. Synthetic indicators are indicators which are synthesized in the laboratory. ... Additional information: Turmeric is yellow in acid and neutral solution but it changes to bright red with bases.
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