describe the action natural indicator on acid, bases and salt
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Indicators are substances that show a change in at least one of their properties(like colour or smell) when brought in contact with acids and bases. These indicators indicate the nature of a substance by this change.
Name of two indicators: Litmus, turmeric.
Effects of indicators on acids and bases:
Acids turn blue litmus red and bases turn red litmus blue.
Bases mixed in a solution of turmeric powder give red colour. Turmeric solution does not change its colour with
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