What are indicators ? Name any three indicators and state the colour change which takes place in 1 acids 2 bases
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ans-Indicators are chemical substances which give different colours in acidic or basic solutions.
(i) Methyl orange gives pink colour with acid solution and yellow colour with base solution.
(ii) Phenolphthalein is colourless in acid solution while it turns into pink colour in base solution.
(iii) Litmus solution turns red in acid solution and blue in base solution.
hope this helps you
ans-Indicators are chemical substances which give different colours in acidic or basic solutions.
(i) Methyl orange gives pink colour with acid solution and yellow colour with base solution.
(ii) Phenolphthalein is colourless in acid solution while it turns into pink colour in base solution.
(iii) Litmus solution turns red in acid solution and blue in base solution.
hope this helps you
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