5 natural indicators and their uses
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the five natural indicators are--
2.litmus paper - it is in two colour red and blue . if red paper turns into blue it indicates that solution is base..and blue paper turns into red than it is acid
2.turmeric...in base it turns into red
3.phenolphthalein...in base it turns into pink
4.methyl orange it turns into yellow in acid
5.red cabbage juice--Red cabbage juice turns blue in a basic solution but it shows a distinct red colour in an acidic solution.
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2.litmus paper - it is in two colour red and blue . if red paper turns into blue it indicates that solution is base..and blue paper turns into red than it is acid
2.turmeric...in base it turns into red
3.phenolphthalein...in base it turns into pink
4.methyl orange it turns into yellow in acid
5.red cabbage juice--Red cabbage juice turns blue in a basic solution but it shows a distinct red colour in an acidic solution.
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NATURAL INDICATORS :1.TURMERIC - ...2.CHINA ROSE PETALS : ...3.LITMUS : ...4.RED CABBAGE JUICE : Red cabbage juice turns blue in a basic solution but it shows a distinct red colour in an acidic solution.SYNTHETIC INDICATORS :1.PHENOLPHTHALEIN :Its original colour is colourless.
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