Jamb Chemistry 2015 Past Questions and Answers

Question 16:

• JAMB 2015

Flow of current in electrolytes is due to the movement of

A. Electrons
B. Holes and electron
C. Ions
D. Charges

Question 17:

• JAMB 2015

A suitable reagent for distinguish between ethanoic and ethanol is

A. Bromine water
B. Fehling’s solution
C. Sodium hydrogen trioxocarbonate (iv)
D. Ammoniacal silver trioxonitrate(V)

Question 18:

• JAMB 2015

In the discovery of protein, the instrument used is

A. Cathode ray tube
B. Glass tube and discharge tube
C. Discharge tube with terminal cathode
D. Discharge tube with central cathode

Question 19:

• JAMB 2015

The above orbital diagram shown the electronic configuration of

A. Chlorine
B. Nitrogen
C. Calcium
D. Neon

Question 20:

• JAMB 2015

Which of the following metals burns with brick red

A. Pb
B. Ca
C. Na
D. Mg