Question

13.
Observe the table and
D-12 A
2
3. The colour of phenolphthalein indicator in NaOH
A) Yellow
B) Green
C) Pink
D) Orange​

Answer 1

Answer:

Phenolphthalein is an indicator of acids (colorless) and bases (pink). Sodium hydroxide is a base, and it was in the pitcher at the beginning, so when added to the phenolphthalein in beakers 2 and 4, it turned pink

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