Question

a chemical reaction is used in black and white photography write the reaction

Answer 1

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$\mathfrak{\blue{Answer.}}$Black and white photography mainly depends upon the light sensitivematerial that helps in forming suchcontrasting images. When exposed to AgBr, the image then forms on the film. While the image is developing, sodium sulphate, an oxidised reducing agent converts the AgBr remains into visible metallic surface.
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