Sodium thiosulfate (Na2S2O3) solution is used in photography to.... – McqOptions

MCQOPTIONS

1.	Sodium thiosulfate (Na2S2O3) solution is used in photography to....
A.	remove undecomposed AgBr as a soluble silver thiosulfatecomplex
B.	remove reduced silver
C.	reduce silver bromide (AgBr) grain to silver
D.	convert the metallic silver to silver salt
Answer» B. remove reduced silver

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