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Function of sodium thiosulphate (hypo) in development of photographic film/plate is to

A. Brighten the faint images

B. Remove metallic silver

C. Convert silver chloride to silver

D. Remove unexposed silver halide

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Massecuite is
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  3. In industrial nomenclature, alcohol means
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  5. Polyvinyl chloride (PVC) is
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  7. The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
  8. Penicillin is separated from fermented broth by
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  10. Which of the following is an endothermic reaction?
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  12. The basic constituent of vegetable oils is
  13. Good quality of edible salt is obtained from brine by the process of
  14. __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.
  15. Sucrose is a disaccharide consisting of
  16. The biochemical treatment applied to sewage effluents is a process of
  17. The amount of benzene present in pure Benzol is about __________ percent.
  18. Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4…
  19. __________ process is used for the commercial production of nitric acid by the catalytic oxidation of…
  20. CaCl(OCl) is the chemical formula of
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  27. Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
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