What are indicators ? Name any two indicators you know?
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Indicators are substances that changes colour when brought in contact with a base or an acid.
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Some indicators are:
Blue litmus. It turns into red colour when its in contact with an acid. ...
Red litmus. ...
Methyl orange. ...
Phenolphthalein.
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Answer:
An indicator is a dye that changes colour when it is put into an acid or a base. An indicator tells us whether a given substance is an acid or a base by change in its colour. 1)Orange juice turns blue litmus to red,so orange juice is acidic in nature.
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