Jamb Chemistry Past Questions and Answers

Question 1976:

• JAMB 2018

The periodic classification is an arrangement of the elements

A. Atomic weights
B. Isotopic weights
C. Molecular weights
D. Atomic numbers

Question 1977:

• JAMB 2018

If 1 litre of 2.2M sulphuric acid is poured into a bucket containing 10 litres of water and the resulting solution mixed thoroughly, the resulting sulphuric acid concentration will be

A. 2.2M
B. 1.1M
C. 0.22M
D. 0.11M

Question 1978:

• JAMB 2018

In the shown experiment (Fig. 1) the litmus paper will initially

A. Be bleached
B. Turn green
C. Turn red
D. Turn blue

Question 1979:

• JAMB 2018

The boiling of fat and aqueous caustic soda is referred to as

A. Hydrolysis
B. Esterification
C. Acidification
D. Saponification

Question 1980:

• JAMB 2018

Which of the following pairs of substances will react further with oxygen to form a higher oxide?

A. CO\(_2\) and H\(_2\)O
B. NO and H\(_2\)O
C. CO and CO\(_2\)
D. SO\(_2\) and NO