The Chemical Name of ” hypo” Commonly Used in Photography is
- Sodium thiosulphate
- Silver nitrate
- Sodium nitrate
- Silver iodide
Answer: (1) Sodium thiosulphate
Sodium thiosulfate is the chemical name of “Hypo”. The chemical formula of “Hypo” is Na2S2O3 It is easily soluble in in water and it is not soluble in silver salt. It is a colorless crystal of sodium, sulfur, hydrogen and Oxygen.
It is used in chemical manufacture and chrome – tanning leather. It is mostly used in photography for developing film.