Match the following indicator types with their colour in acids/bases.

Blue in acidic

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Yellow in basic

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Colourless in acidic

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Blue in basic

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Solution

The following table shows colour change of various indicators in acids and bases.

$\begin{matrix} Indicator & Colour in acid & Colour in base Litmus paper & Red & Blue Methyl orange & Red & Yellow Phenolphthalein & Colourless & Pink Hydrangea & Blue & Pink \end{matrix}$

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