MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Science
Mass Spectroscopy
Quiz 3
1
2
3
4
5
6
7
8
9
Q.1
What is the typical energy of the electrons used to ionize analytes by Electron Ionization (EI)?
50 eV
70 eV
1 eV
1000 eV
Q.2
Which of the following cannot be used as a MALDI matrix compound?
α-Cyano-4-hydroxycinnamic acid
SA
3-Hydroxypicolinic acid
2,3-Dihydroxybenzoic acid
Q.3
Which of the following classifies Chemical Ionization most accurately
A hard ionization technique
A soft ionization technique
neither hard or soft ionization
A desorption ionization technique
Q.4
Which of the following main component of mass spectroscopy deal with resolving the ions into their characteristics mass components according to their mass-to-charge ratio?
Ion Source
Analyzer
Detector System
Recorder
Q.5
Which mass analyzer is most frequently used with MALDI?
Magnetic sector
Quadrupole
Ion trap
TOF
Q.6
Who discovered the mass spectrometer?
Francis Aston
J. J Thomson
Ernest O. Lawrence
Walter Kaufmann
Q.7
Highest m/z peak in mass spectrum is called as
Base peak
Fragment peak
Molecular ion peak
Parent peak
Q.8
Which of the following ionization technique uses a short laser pulse to achieve ionization?
ESI
Chemical Ionization
EI
MALDI
Q.9
Sublimation occurs in which of the following ionization methods?
ESI
FAB
Chemical Ionization
MALDI
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page