Metals and their compounds - Jamb Chemistry Past Questions and Answers

Question 131:

• JAMB 2018

The ionic radii of metals are usually

A. Greater than their atomic radii
B. Unaffected by the charge on the ion
C. The same as their atomic radii
D. Less than their atomic radii

Question 132:

• JAMB 2018

Which of these alloys contains copper?

A. Solder
B. Steel
C. Permallory
D. Bronze

Question 133:

• JAMB 2018

H${}_2$ S${}_{(g)}$ + Cl${}_{2(g)}$ → 2HCl${}_{(g)}$ + S${}_{(g)}$ In the reaction above, the substance that is reduced is

A. H${}_2$S
B. S
C. HCl
D. Cl${}_2$

Question 134:

• JAMB 2018

Which of the compounds is composed of Al, Si, O and H?

A. Epson salt
B. Limestone
C. Clay
D. Urea

Question 135:

• JAMB 2019

Which of the following alkaline metals react more quickly spontaneously with water?

A. Calcium
B. Beryllium
C. Magnesium
D. Strontium