| ⇦ | 
| ⇨ |
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: - Reaction of solid KMnO₄ ith conc.H₂SO₄ produces manganese heptoxide (Mn₂O₇) in
- Equivalent conductances of Ba²⁺ and Cl⁻ ions are 127 and 76 ohm⁻¹ cm⁻¹ eq⁻¹
- What is the amount of Chlorine evolved,when 2A of current is passed for 30 minutes
- Chlorine is liberated, when we heat
- Which of the following is wrongly matched
Topics: D and F Block Elements
(91)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Reaction of solid KMnO₄ ith conc.H₂SO₄ produces manganese heptoxide (Mn₂O₇) in
- Equivalent conductances of Ba²⁺ and Cl⁻ ions are 127 and 76 ohm⁻¹ cm⁻¹ eq⁻¹
- What is the amount of Chlorine evolved,when 2A of current is passed for 30 minutes
- Chlorine is liberated, when we heat
- Which of the following is wrongly matched
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