Q. Old fingerprints on paper can be developed by

  • (A) ninhydrin solution
  • (B) iodine fuming
  • (C) silver nitrate solution
  • (D) universal gray powder
✅ Correct Answer: (A) ninhydrin solution

Published by Yashika ⭐ 3.75K Points at 07-Nov-2022 03:58 pm in Chemistry

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