Question

name two salts that's are used for black or White photography give reactions when they exposed ti to sunlight

Answer 1

There are two salts that are used in the creation of the black and white photography which are Silver chloride and the silver Iodide.

Silver halides are quite sensitive to the light, and when the photon particles fall, they start photochemical reactions to complete the job.

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Answer 2

Silver bromide is used in black and white photography

2AgBr = 2Ag+Br2
(sunlight)
Silver chloride
AgCl=Ag+Cl2