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Sodium thiosulphate is added in photography to
Options
(a) improve colour of photograph
(b) remove unreacted AgBr
(c) form latent image
(d) to form a better picture
Correct Answer:
remove unreacted AgBr
Explanation:
AgBr + 2 Na₂S₂O₃ → Na₃ [Ag (S₂O₃)₂] + NaBr
Solution of sodium thiosulphate is used as fixer. It forms a soluble complex with silver halides. After fixing, the film can safely be brought out into daylight.
Related Questions: - The normality of 10 volume hydrogen peroxide is
- What is the amount of Chlorine evolved,when 2A of current is passed for 30 minutes
- Of the following which one is classified as polymer
- Vapour density of a metal chloride is 77. If its equivalent weight is 3, its atomic
- Which one of the following has the highest molar conductivity
Topics: D and F Block Elements
(91)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The normality of 10 volume hydrogen peroxide is
- What is the amount of Chlorine evolved,when 2A of current is passed for 30 minutes
- Of the following which one is classified as polymer
- Vapour density of a metal chloride is 77. If its equivalent weight is 3, its atomic
- Which one of the following has the highest molar conductivity
Topics: D and F Block Elements (91)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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