Rearrange the jumbled letter 'EEBTOOTR' to obtain the name of an indicator.
Indicators are substances that are used to test whether a substance is acidic or basic or neutral in nature. They change their colour when added to a solution containing an acidic or a basic substance.Indicators are of two types - natural and artificial.
Naturally occurring indicators are turmeric, litmus, China rose. beetroot and red cabbage. Beetroot turns yellow when dipped inside a basic solution.