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26 August, 03:17

Phenolphthalein solution is used as an indicator of acids and bases. If added to an ammonia-based solution of window cleaner, we would expect the solution to turn

A) blue.

B) brown.

C) pink.

D) yellow.

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Answers (1)
  1. 26 August, 06:48
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    C.) pink In a base, with a pH> 8.2, we would expect the indicator to turn pink. Phenolphthalein is colorless in an acidic or neutral solution; it turns from pink to fuchsia in a basic solution. Cleaners and products containing soaps, are bases.
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