mention some of the indicators to identify some changes
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What are indicator? Name any three indicators and state the colour change which take place in (I) acids (ii) bases
Blue litmus. It turns into red colour when its in contact with an acid. ...
Red litmus. It doesn't change its colour when its in contact with an acid. ...
Methyl orange. It has orange colour in acids. ...
Phenolphthalein.
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