Chemistry 2010 JAMB Past Questions - Question 38: Stainless steel is used for making

Correct Answer

B

Explanation

Stainless steel is not typically used for making magnets due to its low magnetic susceptibility. However, it is commonly used for the other options you listed:

1. **Tools:** Stainless steel offers various desirable properties for tools, including strength, durability, corrosion resistance, and ease of cleaning. Examples include surgical instruments, knives, wrenches, and screwdrivers.
2. **Coins and medals:** Stainless steel provides a lustrous, long-lasting material for coins and medals, especially those intended for circulation or commemorative purposes. Its resistance to wear and tear, combined with its aesthetic appeal, makes it a popular choice.
3. **Moving parts of clocks:** Certain components of clocks, such as springs and gears, can benefit from the strength, corrosion resistance, and low maintenance requirements of stainless steel. However, other materials like brass or plastic might also be employed depending on the specific part and desired properties.