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MCQ on Atomic spectroscopy: Page-6

Solid samples can be directly analyzed by use of

(A) Flame atomic absorption spectroscopy

(B) Graphite furnace absorption spectroscopy

(C) Both of the above

(D) None of the above

The main advantage of atomic emission spectroscopy over the atomic absorption spectroscopy is

(A) Analysis of metal elements in at very low concentrations

(B) Analysis of multiple elements simultaneously

(C) Analysis of both metals and metalloids

(D) Usage of high energy of excitation

The broadening of the spectral line in atomic emission spectroscopy is may be due to
(P) Vibrational transitions (Q) Lorentz effect

(A) R,Q

(B) P,Q

(C) Q,S

(D) P,S

The maximum temperature attained by acetylene-N2O gas is used in atomic emission spectroscopy

(A) 2200

(B) 2800

(C) 3100

(D) 3400

Releasing agents are used in atomic emission spectroscopy to prevent

(A) Cationic interference

(B) Anionic interference

(C) Both anionic and cationic

(D) Physical interference