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New for SSC CGL students

Monday, 14 September 2015

The chemical used as a fixer / developer in photography is

NDA NA Exam I 2015 Questions

Question 74 The chemical used as a fixer / developer in photography is

A) sodium sulphate
B) Sodium sulphide
C) Sodium thiosulphate
D) Sodium sulphite

Answer: Sodium thiosulphate

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