Tuesday, May 14, 2019

Geek Trivia: What Substance Is A Key Component In Both Black and White Photography and Jell-O?

What Substance Is A Key Component In Both Black and White Photography and Jell-O?
  1. Disodium Phosphate
  2. Citric Acid
  3. Fumaric Acid
  4. Gelatin

Think you know the answer?

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