MCQ
$Na_2S_2O_3.5H_2O$ is used in photography to
- AReduce $AgBr$ to metallic $Ag$
- BRemove reduced $Ag$
- ✓Remove undecomposed $AgBr$ as a soluble complex
- DConvert metallic $Ag$ to silver salt
✓
Answer
Correct option: C.
Remove undecomposed $AgBr$ as a soluble complex
c
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