Jamb Chemistry Past Questions and Answers

Question 1801:

• JAMB 2015

The weakest attractive force that can be observed between two molecules is

A. Ionic
B. Covalent
C. Co-ordinate covalent
D. Vander Waals

Question 1802:

• JAMB 2015

An elements used in production of matches is

A. Nitrogen
B. Aluminum
C. Copper
D. Sulphur

Question 1803:

• JAMB 2015

Cathode rays cause an object placed behind a perforated anode to cast a shadow on the screen. This observation shows that the rays

A. Are positively charged
B. Are negatively charged
C. Have mass
D. Travel in straight lines

Question 1804:

• JAMB 2015

Flow of current in electrolytes is due to the movement of

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

Question 1805:

• 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)