Rates of Chemical Reaction - Jamb Chemistry Past Questions and Answers

Question 16:

• JAMB 1982

Which of the following is NOT a redox reaction?

A. 2HNO₂ + 2HI → 2H₂O + 2NO + I₂
B. Zn + H₂SO₄ → ZnSO₄ + H₂
C. Ca(HCO₃)₂ → CaCO₃ + H₂O + CO₂
D. 4FeO + O₂ → 2Fe₂O₃
E. 2Na + Cl₂ → 2NaCl

Question 17:

• JAMB 1983

In the reaction M + N P;∆H = + QKJ. Which of the following would increase the concentration of the product?

A. Decreaseing the concentration of N
B. Increasing the concentration of P
C. Adding a suitable catalyst
D. Decreasing the temperature
E. Increasing the temperature

Question 18:

• JAMB 1983

Which of the following is a neutralization reaction?

A. Addition of sodium chloride solution to potassium chloride solution
B. Addition of trioxonitrate (V) acid (nitric acid) to distilled water
C. Addition of trioxonitrate (V) acid (nitric acid) to tetraoxosulphate (IV) acid (sulphuric acid)
D. Addition of trioxonitrate (V) acid (nitric acid) to potassium trioxonitrate (V) (potassium nitrate) solution
E. Addition of trioxonitrate (V) acid (nitric acid) to potassium hydroxide solution

Question 19:

• JAMB 1984

Sodium chloride may be obtained from brine by

A. Titration
B. Decantation
C. Distillation
D. Evaporation
E. Sublimation

Question 20:

• JAMB 1984

Sodium chloride may be obtained from brine by

A. Titration
B. Decantation
C. Distillation
D. Evaporation
E. Sublimation