Jamb Chemistry 2023 Past Questions and Answers

Question 26:

• JAMB 2023

The process of rusting is an example of the formation of

A. Basic oxide
B. Acidic oxide
C. Reducing oxide
D. Amphoteric oxide

Question 27:

• JAMB 2023

Which of the following is an example of a primary cell?

A. Alkaline battery
B. Nickel-cadmium battery
C. Lead-acid battery
D. Lithium-ion battery

Question 28:

• JAMB 2023

Which of the following is a characteristic property of acids?

A. Turn litmus paper blue
B. Bitter taste
C. PH value above 7
D. React with metals to produce hydrogen gas

Question 29:

• JAMB 2023

The lanthanides and actinides are located in which block of the periodic table?

A. P-block
B. S-block
C. F-block
D. D-block

Question 30:

• JAMB 2023

What is the IUPAC name for the compound CCl\(_4\)?

A. Tetrahydrochloride
B. Tetrachloromethane
C. Carbon tetrachloride
D. Chloroform