The chemical name of 'Hypo' commonly used in photography is
A. Sodium thiosulphate
B. Silver nitrate
C. Sodium nitrate
D. Silver iodide
Answer: Option A
Solution(By Examveda Team)
An emulsion of sodium thiosulfate is called hypo by photographers. It is used to stop development of exposed film. Thiosulfate converts undeveloped silver bromide grains in the film into water-soluble silver thiosulfate complexes that can be removed when the film is washed.This Question Belongs to General Knowledge >> Chemistry
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