| ⇦ | 
| ⇨ |
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 isomerism represented by ethyl acetoacetate is
- Aluminium deposited vapours on glass forms a good mirror essentially because
- Nitro alkanes are formed with the help of
- Oxidation state of sulphur in S₈, H₂S and S₂F₂ is
- A solid compound X on heating gives CO₂ and a residue .
Topics: D and F Block Elements
(91)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The isomerism represented by ethyl acetoacetate is
- Aluminium deposited vapours on glass forms a good mirror essentially because
- Nitro alkanes are formed with the help of
- Oxidation state of sulphur in S₈, H₂S and S₂F₂ is
- A solid compound X on heating gives CO₂ and a residue .
Topics: D and F Block Elements (91)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply