Acids, Bases and Salts — Science STD 10 — Question
Maharashtra BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts1 Mark
MCQ
A solution turns phenolphthalein indicator pink. The most likely $pH$ of this solution will be:
A
$6$
B
$4$
✓
$9$
D
$7$
✓
Answer
Correct option: C.
$9$
Every substance with a $pH$ greater than $7$ is considered basic or alkaline. Basic or alkaline solutions turn phenolphthalein indicator pink. Thus, the $pH$ of the solution is most likely $9.$
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