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An alloy of Iron, Nickel and Chromium is
1. Lead
2. Brass
3. Stainless Steel
4. Bronze

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Correct Answer - Option 3 : Stainless Steel

The correct answer is Stainless Steel.

  • Stainless Steel is an alloy of Iron, Nickel, and Chromium.

  • Alloy is a substance formed from the combination of two or more metals
  • Alloys can also be formed from combinations of metals and other elements.
  • The properties exhibited by alloys are often quite different from the properties of their individual components.
  • Alloys tend to have greater strength and hardness when compared to pure metals.
  • Alloys can also be called solid solutions of metallic elements.
  • Steel is primarily an alloy of iron and carbon.
  • However, different types of steel are known to contain varying amounts of carbon, along with other elements (such as chromium, manganese, sulfur, phosphorus, nickel, copper, and molybdenum).
  • The composition of stainless steel is:
    • Approximately 85-88% iron (Fe)
    • At least 10.5% chromium (Cr)
    • Less than 1.2% carbon (C)
  • Bronze is an alloy of copper (75%) and tin ( up to 12%).
  • Brass is a metal alloy primarily composed of copper and zinc
  • However, other metals—such as iron, aluminum, silicon, and manganese—are also mixed in to produce different properties and color variations.
  • Lead on the other hand is a chemical element.
    • Symbol- Pb
    • Atomic no.- 82

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