name three common indicater
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Indicators are substances that show a distinct change (colour or odour) simultaneous to a change in concentration of ions such as H+ and OH- ions. Examples: Methyl orange, phenolphthalein and litmus solution.
★ Common Indicators ★
◕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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