Which one of the following alloys contains non-metal as one of its constituents?

The correct answer is Steel.

Key Points

• Steel is an alloy that contains carbon as one of its components.

Additional Information

• Brass is an alloy made of copper and zinc, which are both metals.
  • There is no non-metal present in brass.
• Bronze is an alloy of copper and tin, which are both metals.
  • Like brass, bronze contains no nonmetals.
• Amalgam includes 40–60% silver, 27–30% tin 13–30% copper and 1% zinc set with mercury.
• Steel is an alloy of iron and carbon, sometimes with other elements added.
  • Carbon is a non-metal, so steel does has a non-metal as one of its components. Hence, the correct answer will be option 2.

Some common mixtures are :