The ability of sulphur dioxide to reduce iodine is used in which of the following methods?
A. Colorimetry
B. Conductivitimetry
C. Coulometry
D. Gas chromatography
Answer:C
The ability of sulphur dioxide to reduce iodine is used in which of the following methods?
A. Colorimetry B. Conductivitimetry C. Coulometry D. Gas chromatography