Jamb Chemistry 2015 Past Questions and Answers

Question 1:

• JAMB 2015

The filter in the cigarette reduce the nicotine construct by

A. Burning
B. Adsorption
C. Evaporation
D. Absorption

Question 2:

• JAMB 2015

The filter in the cigarette reduce the nicotine construct by

A. Burning
B. Adsorption
C. Evaporation
D. Absorption

Question 3:

• JAMB 2015

Which of these require crystallization most?

A. Drug making
B. Cement making
C. Paint making
D. Perfume making

Question 4:

• JAMB 2015

Iron is often galvanized in order to

A. Make it more malleable
B. Remove the impurities unit
C. Protect it against corrosion
D. Render it passive

Question 5:

• JAMB 2015

In the industrial production of H₂ is removed by (solution)

A. Washing under pressure
B. Drying over phosphorus (V) oxide
C. Passing the mixture to the limewater
D. Using ammonical copper (I) chlorine