Which of the following chemicals is useful in photography?
A. Aluminium hydroxide
B. Potassium nitrate
C. Silver bromide
D. Sodium chloride
Answer: Option C
Solution(By Examveda Team)
Silver bromide is useful in photography. When silver bromide is exposed to light it undergoes photochemical decomposition. The silver ions present in silver bromide are reduced to silver metal which remains as an opaque image on the photographic film.Related Questions on Basic General Knowledge
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