What are indicators?give example. Explain in brief the various type of natural indicator
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indicators indicates what type of acid it is. i.e, basic or acidic in nature... they are many types of natural indicators ex litmus paper , red cabbage leaves ,hydrangea ,petnia etc
if the acid is acidic then litmus paper will turn red
if the acid is basic it will turn blue
if the acid is acidic then litmus paper will turn red
if the acid is basic it will turn blue
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