Multiple choice

The metal that is present in photo films is

  1. mercury

  2. platinum

  3. magnetism

  4. silver

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

“Silver” is the metal that is present in the photo film and the reason for it is that it creates darkness on the film or photo. The developer dissolves the unreacted silver and makes the film or photo stable to light.