Metals and their compounds - Jamb Chemistry Past Questions and Answers

Question 96:

• JAMB 2009

The type of iron that is best suited for welding, making nails, chains and iron rods is

A. Pig iron
B. Wrought iron
C. Cast iron
D. Iron pyrites

Question 97:

• JAMB 2010

Iron can be protected from corrosion by coating the surface with

A. Gold
B. Silver
C. Copper
D. Zinc

Question 98:

• JAMB 2010

A constituent common to bronze and solder is

A. Lead
B. Silver
C. Copper
D. Tin

Question 99:

• JAMB 2010

When iron is exposed to moist air, it gradually rusts. This is due to the formation of

A. Hydrate iron (III) oxide
B. Anhydrous iron (III) oxide
C. Anhydrous iron (II) oxide
D. Hydrate iron (II) oxide

Question 100:

• JAMB 2010

Stainless steel is used for making

A. Magnets
B. Tools
C. Coins and medals
D. Moving parts of clocks