Chemistry 2008 JAMB Past Questions - Question 36: Lead is used for making bullets and lead shots because of its

Correct Answer

C

Explanation

You are correct! Out of the options you provided, the primary reason lead is used for making bullets and lead shots is its **high density**. Here's a breakdown of why each property is important or not:

**1. Resistance to corrosion:** While lead is somewhat resistant to corrosion compared to some other metals, it's not the main reason for its use in bullets and lead shots. Corrosion resistance becomes more important for long-term storage, and other materials like copper or steel can be treated for such applications.

**2. Low melting point:** While a low melting point is helpful for shaping lead during manufacturing, it's not the key factor. Other materials with higher melting points can be used but may require more complex or expensive manufacturing processes.

**3. High density:** This is the main reason lead is preferred for bullets and lead shots. Its high density gives the projectiles greater momentum and penetration power compared to lighter materials. This translates to better performance in terms of accuracy, range, and stopping power.

**4. Flexibility:** While being somewhat malleable, lead isn't particularly flexible. Flexibility isn't a crucial property for bullets and lead shots, as they need to retain their shape during impact.

Therefore, **high density** is the principal reason for using lead in bullets and lead shots. Its other properties, while somewhat advantageous, play secondary roles in its selection.