(A) 5 () (B) 4 (X) (C) 3 (X) (D) 2 (X)
Answers: Dempsters mass spectrometer has number of zones / parts 5.
Your email address will not be published. Required fields are marked *
Save my name, email, and website in this browser for the next time I comment.
Notify me of follow-up comments by email.
Notify me of new posts by email.
TodayMCQs