Jamb Chemistry 2014 Past Questions and Answers

Question 31:

• JAMB 2014

The gas that is removed by the water in the flask is

A. O ₂
B. SO ₂
C. HCI
D. H ₂

Question 32:

• JAMB 2014

Fluorine does not occur in the free state in nature because

A. It is a poisonous gas
B. It belongs to the halogen family
C. It is inert
D. Of its high reactivity

Question 33:

• JAMB 2014

In the extraction of sodium from fused sodium chloride, the anode is made of platinum because

A. Sodium is formed at the anode
B. Chlorine is formed at the anode
C. Sodium does not react with platinum
D. Chlorine does not react with platinum

Question 34:

• JAMB 2014

In the electrolytic extraction of cacium from calcium chloride, the cathode is

A. Zinc
B. Graphite
C. Platinum
D. Iron

Question 35:

• JAMB 2014

A compound that gives a brick-red colour to a non-luminous flame is likely to contain

A. Copper ions
B. Sodium ions
C. Calcium ions
D. Aluminium ions