aloz291268 aloz291268
  • 20-03-2020
  • Physics
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turns red lithmus paper blue

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AL2006
AL2006 AL2006
  • 20-03-2020

In BASE liquids ... pH greater than 7 ... red litmus paper turns blue, and blue litmus paper stays blue.

In ACID liquids ... pH less than 7 ... blue litmus paper turns red, and red litmus paper stays red.

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