https://www.geekmcq.com/

Entry Test MCQ :: Electrochemistry


41.  Apparent charge on atom in molecule is
A. valency B. coordination number
C. oxidation number D. charge number

42.  Voltaic cell is a
A. irreversible cell B. reversible cell
C. alkaline cell D. all of the above

43.  In K2Cr2O7 the oxidation number of chromium is
A. 7 B. 6
C. -7 D. -6

44.  Percentage of sulphuric acid in lead accumulator is
A. 40% B. 25%
C. 30% D. 50%

45.  The reduction potential Zn is
A. 0.76 B. -0.76
C. -0.55 D. 0.55

46.  The half cells are interconnected through
A. wire B. salt bridge
C. electric circuit D. no connection exists




© 2012-2024 by GeekMCQ™ Technologies. All Rights Reserved | Copyright | Terms of Use & Privacy Policy

Contact us: info@geekmcq.com