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Question

Bronze is an alloy of

This question was previously asked in
NDA I 2022 GAT Previous Year Paper (10-Apr-2022)
The correct answer is

Cu and Sn

Understanding Bronze Alloy Composition

An alloy is a mixture of metals, or a mixture of a metal and another element. Alloys are created to enhance the properties of the base metals, such as increasing strength, corrosion resistance, or changing color and melting point.

The question asks about the composition of bronze. Bronze is one of the oldest and most well-known alloys.

Let's look at the common compositions of some alloys mentioned in the options:

  • Bronze: Traditionally, bronze is primarily an alloy of copper and tin. While other elements like phosphorus, manganese, aluminum, or silicon can be added to create different types of bronze, the fundamental components are copper (Cu) and tin (Sn).
  • Brass: Brass is another common alloy, but it is primarily composed of copper (Cu) and zinc (Zn). This is distinct from bronze.
  • Other Options: The options involving Zn and Mg, or Fe and Cu (as the main components of traditional bronze), do not represent the standard composition of bronze. Fe and Cu can be part of specific alloys or steels, but not the primary makeup of typical bronze.

Based on the standard definition and composition of bronze, it is an alloy made predominantly of copper and tin.

Therefore, the correct answer identifies bronze as an alloy of Cu and Sn.

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