What are indicators? What are the different types of indicators?
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Most indicators are themselves weak acids and respond to changes in the hydrogen ion concentration.
pH Scale and Acid and Base Indicators. The pH range functions between 0 to 14 with 7 being neutral.
Litmus Paper.
Phenolphthalein Indicator.
Bromothymol Blue Indicator.
Methyl Red Indicator
Universal Indicator.
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Indicators of substances which can be used to detect whether a substance is an acid or base .
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