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

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1.	Sodium thiosulphate (Na2S2O3) solution is used in photography to .....
A.	remove undecomposed (AgBr) as a soluble silver thiosulphatecomplex.
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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