Jamb Chemistry 2019 Past Questions and Answers

Question 121:

• JAMB 2019

A cell shorthand notation can be written as A / A\(^+\) // B\(^{2+}\) /B. The double slash in the notation represents the

A. Electrolyte
B. Electrodes
C. Salt bridge
D. Solid - liquid interface

Question 122:

• JAMB 2019

The shapes of water, ammonia, carbon (iv) oxide and methane are respectively

A. Linear, tetrahedral, angular and pyramidal
B. Angular, pyramidal, linear and tetrahedral
C. Pyramidal, linear, tetrahedral and angular
D. Tetrahedral, angular, pyramidal and linear

Question 123:

• JAMB 2019

Which quantum divides shells into orbitals?

A. Spin
B. Principal
C. Azimuthal
D. Magnetic

Question 124:

• JAMB 2019

The oxidation state(s) of nitrogen in ammonium nitrite is/are

A. -3, +3
B. +5
C. -3, +5
D. -3

Question 125:

• JAMB 2019

Hydrogen bond is a sort of

A. Van der waals force
B. Dative bond
C. Ionic bond
D. A covalent bond