Which of the following is used in photography?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. Sodium thiosulphate.
- Photographic paper and film consist of a gelatin emulsion with silver halide grains layered onto either paper or film base. The halides that are often used are chlorine, bromine and iodine, although bromine is the most common.
- SODIUM THIOSULFATE (SOE dee um thi oh SUHL feyt) is used to treat cyanide poisoning.