Search SchoolNGR

Wednesday, 01 April 2026
Register . Login

Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 16:
Flow of current in electrolytes is due to the movement of
  • A Electrons
  • B Holes and electron
  • C Ions
  • D Charges
View Answer & Explanation
Question 17:
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)
View Answer & Explanation
Question 18:
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
View Answer & Explanation
Question 19:
The above orbital diagram shown the electronic configuration of
  • A Chlorine
  • B Nitrogen
  • C Calcium
  • D Neon
View Answer & Explanation
Question 20:
Which of the following metals burns with brick red
  • A Pb
  • B Ca
  • C Na
  • D Mg
View Answer & Explanation