1.

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

Answer»

(a) What is an indicator ? Name the three common indicators.

(b) Name an acid-base indicator extracted from lichen.

(c) What colour does the turmeric paper turn to when put in an alkaline solution ?



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