Flame photometer is used in the determination of

A. Nitrogen

B. Phosphorus

C. Potassium

D. Zinc

Answer: Option C

Solution(By Examveda Team)

A flame photometer is used in the determination of Potassium.
The principle of flame Photometer is based on the measurement of the emitted light intensity when metal is introduced into the flame. The wavelength of the colour gives information about the element and the colour of the flame gives information about the amount of the element present in the sample.