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(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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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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