Everyday Science
NULL
Medium
Question
The chemical used as a fixer in photography is __________?
A
sodium sulphate
B
borax
C
sodium thiosulphate
✓ Official correct answer
D
ammonium sulphate
Community credibility
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A
sodium sulphate
No member explanations yet for this option.
B
borax
No member explanations yet for this option.
C
sodium thiosulphate
No member explanations yet for this option.
D
ammonium sulphate
No member explanations yet for this option.
Explanation
Photographic fixer is typically sodium thiosulphate (“hypo”).
So the correct answer is sodium thiosulphate.
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