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प्रश्न
How can Fingerprints be identified?
संक्षेप में उत्तर
उत्तर
- Fingerprints on smooth surfaces can be identified by the application of light or dark powder.
- Occult (hidden) Fingerprints are made visible by the use of Ninhydrin, which turns purple.
- Fingerprints can be made visible by high-powered laser light.
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Forensic Chemistry
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