Acids, Bases and Salts — Science STD 10 — Question
CBSE BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts1 Mark
MCQ
A solution turns blue litmus red. Its $\ce{pH}$ is likely to be :
A
$7$
✓
$5$
C
$8$
D
$14$
✓
Answer
Correct option: B.
$5$
An acidic solution turns blue litmus red. On the $\ce{pH}$ scale, acids have values less than $7$, whereas bases have values greater than $7$. Solutions with $\ce{pH}$ equal to $7$ are neutral in nature.
Therefore, the $\ce{pH}$ of the given solution is likely to be $5$.
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