classifies substances has acidic and basic on the basis of their properties using indicators
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Explanation:
Litmus, turmeric, red cabbage, China rose, etc. are some common natural indicators used widely to show the acidic or basic character of substances. Litmus: Litmus is obtained from lichens. The solution of litmus is purple in colour.
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Indicator:
Indicator Red litmus
Original colour Red
Acid No change
Base Blue
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Answer:
An acid-base indicator is either a weak acid or weak base that exhibits a color change as the concentration of hydrogen (H+) or hydroxide (OH-) ions changes in an aqueous solution. Acid-base indicators are most often used in a titration to identify the endpoint of an acid-base reaction.
Explanation:
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