Jamb Chemistry Past Questions and Answers

Question 1441:

• JAMB 2007

The conversion of open chain alkanes into cycloalkanes and aromatic compounds is called

A. Cracking
B. Reforming
C. Isomerization
D. Polymerization

Question 1442:

• JAMB 2007

Which of the following alkanes has the highest boiling point?

A. Pentane
B. Ethane
C. Propane
D. Methane

Question 1443:

• JAMB 2007

Certain useful waxes are composed mainly of

A. Amino acids
B. Glycerols
C. Alkanols
D. Alkanoates

Question 1444:

• JAMB 2007

The IUPAC nomenclature of compound CH₃CH₂COOCH₂CH₃ is

A. Propyl ethanoate
B. Ethyl butanoate
C. Ethyl propanoate
D. Methyl butanoate

Question 1445:

• JAMB 2007

When temporary hard water is boiled for sometime in a kettle, the inner surface of the kettle becomes coated with a deposit of

A. Calcium tetraoxosulphate(VI)
B. Calcium trioxocarbonate (IV)
C. Calcium hydrogentrioxocarbonate (IV)
D. Aluminium trioxocarbonate (IV)