Match the given indicators with the colour they show in a basic medium.
A
Pink
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B
Blue
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C
Green
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D
Yellow
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Solution
An indicator is a chemical substance which helps to distinguish if a substance is an acid or a base. Table given below gives the colour change of indicators in acidic or basic medium: IndicatorColour of indicatorAcidic mediumBasic mediumRed litmusRedRedBlueBlue litmusBlueRedBluePhenolphthaleinColourlessColourlessPinkChina roseRoseDark pinkGreenMethyl orangeOrangeRedYellow