Solved UPSC CDS/OTA Question
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Q · Organic Chemistry Medium · 45s
Which is used as a preservative for biological specimens?
TopicOrganic Chemistry
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Formalin (37% formaldehyde solution) is used for preserving biological samples.
Final Answer: Option D — Formaldehyde solution