In Flame emission photometers, the measurement of _____________ is used for qualitative analysis.
A. Colour
B. Intensity
C. Velocity
D. Frequency
Answer:A
In Flame emission photometers, the measurement of _____________ is used for qualitative analysis.
A. Colour B. Intensity C. Velocity D. Frequency
Explanation: The colour and the wavelength of the flame are used for qualitative analysis. It is used to determine the element which is present in the sample.