Question

Fill in the blanks
________change their colour when added to a solution containing an acidic or basic substance.​

Answer 1

Answer:

Indicators change their colour when added to a solution containing an acidic or basic substance.​

The indicators change their colour when added to a solution containing an acidic or a basic substance. Turmeric, Litmus, China rose petals etc., are some of the naturally occurring indicators.

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Answer 2

$\large{\mathcal{\purple{H}\green{e}\pink{y}\blue{!}}}$

:Required Answer

$\pink \star$ Indicators change their colour when added to a solution containing an acidic or basic substance.