Solved UPSC CDS/OTA Question
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Q · Acids, Bases and SaltsMedium · 45s
Which of the following properties is common to acids?
TopicAcids, Bases and Salts
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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Acids turn blue litmus red — basic property.
Final Answer: Option B — They turn blue litmus red.