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(a). What is an indicator? Name three common indicators. (b). Name the acid-base indicator extracted

(a). What is an indicator? Name three common indicators. (b). Name the acid-base indicator extracted (a). What is an indicator? Name three common indicators. (b). Name the acid-base indicator extracted from lichen. (c). What colour does the turmeric paper turn when put in an alkaline solution.?.

extracted

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