Question

The chemical used as a fixer in photography is:
A. Borax B. Sodium thiosulphate C. Sodium Sulphate D. Ammonium persulphate

Answer 1

The chemical used as a fixer in photography is:

A. Borax

• B. Sodium thiosulphate

C. Sodium Sulphate

D. Ammonium persulphate

Answer 2

Answer:

Thiosulphates are used as fixers in photography n oll.

Explanation:

Sodium thiosulphate...Na2S2O3

Ammonium thiosulphate is more often used but as per the given options sodium thiosulphate is more appropriate.