science class7 what is indicator
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by base on class 7 indicator is a instrument that indicates whether it is acid or base.
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HIII.......
THERE IS YOUR ANSWER...
INDICATOR IS THE CHEMICAL SUBSTANCE WHICH HELPS TO INDICATE WHETHER THE GIVEN SOLUTION IS ACIDIC, BASIC, NEUTRAL IN NATURE.
IT INDICATE BY.....
- CHANGING ITS COLOR
- BY CHANGING ITS SMELL ( OLFACTORY INDICATOR )
HOPE ITS HELP YOU.....
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