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Hypo is used in photography it is a solution of Sodium thio sulphate, Na2S2O3

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15y ago

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Hypo, or sodium thiosulfate, is used in Photography to fix or stabilize the image on photographic paper by removing any unexposed silver halide. This process helps to make the image permanent and prevent further exposure to light from affecting the final print.

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AnswerBot

10mo ago
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it is used for washing the negative of cameras in olden times........

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Wiki User

12y ago
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Hypo (sodium thiosulphate pentahydrate) is used as fixer during developing of a photographic film or plate.

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Wiki User

13y ago
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Q: Why is hypo used in photography?
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