what are indicators? Name any three natural indicators.
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Indicators are substances that change colour when they are added to acidic or alkaline solutions. Litmus, phenolphthalein, and methyl orange are all indicators that are commonly used in the laboratory.
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indicators are those substnace which change in colour when put in acid or base. indicators help us to distinguish between acid and base. some natural indicators are litmus, china rose and turmeric
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