Home PYQs UPPSC UPPSC MCQs Prelims 2003 (GS Paper I)

Question

Which acid is used in photography:

  1. Formic acid
  2. Oxalic acid
  3. Citric acid
  4. Acetic acid

Answer:

Option B: Oxalic acid

Detailed Solution:

The correct answer is “Oxalic acid”.

The acid used in photography is: (2) Oxalic acid