9. What is indicator in chemistry
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Indicator defines whether a solution is acidic or basic in nature....
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INDICATORS
Explanation:
AN INDICATOR IS A DYE THAT CHANGES COLOUR WHEN IT IS PUT INTO AN ACID OR BASE. THE ROLE OF INDICATOR IS TO FIND WHETHER A PARTICULAR SUBSTANCE OR SOLUTION IS ACIDIC OR BASIC IN NATURE. THERE ARE TWO TYPES OF INDICATOR. THEY ARE,
- NATURAL INDICATOR
- SYNTHETIC OR ARTIFICIAL INDICATOR
NATURAL INDICATOR:
NATURAL INDICATOR IS AN INDICATOR WHICH IS MADE FROM NATURAL MATERIALS. FOR EXAMPLE: LITMUS PAPER. IT IS MADE FROM LICHENS; CHINA ROSE INDICATOR.IT IS MADE FROM THE EXTRACT OF CHINA ROSE AND ETC.
SYNTHETIC OR ARTIFICIAL INDICATOR:
SYNTHETIC OR ARTIFICIAL INDICATOR IS MADE IN INDUSTRIES OR FACTORIES. FOR EXAMPLE: PHENOLPHTHALEIN; METHYL ORANGEAND ETC.
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