Gujarat BoardEnglish MediumSTD 7ScienceExploring Substances: Acidic, Basic, and Neutral2 Marks
Question
What are indicators? Classify them and give one example of each.
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Answer
The substances which are used to test whether a substance is acidic or basic are called indicators. There are two types of indicators: (i) Natural indicators : Litmus paper, turmeric, etc. (ii) Synthetic indicators : Phenolphthalein
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