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Topic Carboxylic acids
Asked 2 times across 2 UPSC exams, peaking in 2022.
Key insights
- Most tested in CDS — 1 of 2 PYQs
- Most asked in 2022
- Recurs across 1 years (2022–2022)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2022 → NDA 2022
How the concept evolved
Rising — more than half its appearances (2 of 2) are since 2016.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CDS2022
Methanoic acid is normally found in :
- A muscles
- B urine
- C ant stings ✓
- D human brain
✓ Correct answer: (C)
Science & Technology › Physics & Chemistry
NDA2022
Bee sting leaves an acid which causes pain and irritation. The acid released is
- A tartaric acid
- B citric acid
- C ethanoic acid
- D methanoic acid ✓
✓ Correct answer: (D)
Science & Technology › Physics & Chemistry
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