After passing through the pre-filter, ions are passed through which of – McqOptions

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1.	After passing through the pre-filter, ions are passed through which of the following?
A.	Quadrupole mass spectrometer
B.	Time of flight mass spectrometer
C.	Radiofrequency mass spectrometer
D.	Magnetic deflection mass spectrometer
Answer» B. Time of flight mass spectrometer

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