Jamb Chemistry 2016 Past Questions and Answers

Question 21:

• JAMB 2016

Cast iron is used in making

A. Chains and agricultural implements
B. Iron sheets and retort stand
C. Nails and iron rods
D. Stoves and cookers

Question 22:

• 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 23:

• 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 24:

• 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 25:

• JAMB 2016

Which of the following is not an alkali?

A. Ca(OH)₂
B. NH₃
C. NaOH
D. Al(OH)₃