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vicki17 vicki17
  • 12-01-2017
  • Chemistry
Answered

Describe an indicator

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wolffiegirl
wolffiegirl wolffiegirl
  • 12-01-2017

A chemical indicator is a substance that indicates the presence or absence of certain conditions. A common one is phenolphthalein or "phph" in shorthand notation. It turns colorless in acidic solutions and pink in basic solutions. 

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