Metals and their compounds - Jamb Chemistry Past Questions and Answers

Question 51:

• JAMB 1989

Which of the following is NOT involved in the extraction of metals from their ores?

A. Reduction with carbon
B. Reduction with other metals
C. Reduction by electrolysis
D. Oxidation with oxidizing agents

Question 52:

• JAMB 1989

Use the figure above to answer this question. Which of the following compounds is an isomer of the compound

A. A
B. B
C. C
D. D

Question 53:

• JAMB 1989

Use the figure above to answer this question. Which of the following is NOT a monomer?

A. A
B. B
C. C
D. D

Question 54:

• JAMB 1991

Which of the following metals can be prepared in samples by the thermal decomposition of their trioxonitrate (V) salts?

A. Copper and mercury
B. Silver and copper
C. Mercury and silver
D. Magnesium and mercury

Question 55:

• JAMB 1992

Four elements P,Q,R and S have 1,2,3, and 7 electrons in their outermost shells respectively. The element which is unlikely to be a metal is?

A. P
B. Q
C. R
D. S