Jamb Chemistry Past Questions and Answers

Question 1881:

• JAMB 2016

Which of the following compounds is used as a gaseous fuel?

A. CH₃ -CH₂ -CHO₂ -COOH
B. CH₃ -C = CH
C. CH₃ -CH₂ -CH₂ -CH₃
D. CH₂ -CH₂ -CH₃

Question 1882:

• JAMB 2016

The product formed when propanol is heated over a copper catalyst in the absence of oxygen are

A. CH₃CH₂CHO and H₂
B. CH₃CHO and CO₂
C. CH₃CH₂COOH and H₂
D. CH₃COOH and CO₂

Question 1883:

• JAMB 2016

Alkanols have the general molecular formula

A. C₁H_2n-2
B. C₁H_2n-1CHO
C. C₁H_2n-2OH
D. C₂H_2n+1OH

Question 1884:

• JAMB 2016

Which of the following is not an alkali?

A. Ca(OH)₂
B. NH₃
C. NaOH
D. Al(OH)₃

Question 1885:

• JAMB 2016

Which of the following statements is correct about the periodic table?

A. Elements in the same group have the same number of electron shells
B. The non-metallic properties of the elements tend to decrease across each period
C. Elements in the same period have the same number of valence electrons
D. The valence electrons of the elements increase progressively across the period