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An alloy is...

 An alloy is

A

an element

B

a compound

C

a homogeneous mixture

D

a heterogeneous mixture

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The correct Answer is:
**Step-by-Step Solution:** 1. **Definition of Alloy**: An alloy is defined as a mixture that consists of two or more elements, where at least one of the elements is a metal. 2. **Types of Alloys**: Alloys can be categorized into two main types: - **Homogeneous Mixture of Metals**: This includes mixtures of two or more metals, such as bronze (copper and tin) or brass (copper and zinc). - **Homogeneous Mixture of Metal and Non-Metal**: This includes mixtures where a metal is combined with a non-metal, such as steel (iron and carbon). 3. **Characteristics of Alloys**: Alloys typically have properties that are different from the individual components. They may exhibit enhanced strength, corrosion resistance, or other desirable traits compared to the pure metals. 4. **Conclusion**: Therefore, the correct answer to the question "An alloy is" is that it is a homogeneous mixture of two or more metals or a metal and a non-metal. **Final Answer**: An alloy is a homogeneous mixture of two or more metals or a metal and a non-metal. ---

**Step-by-Step Solution:** 1. **Definition of Alloy**: An alloy is defined as a mixture that consists of two or more elements, where at least one of the elements is a metal. 2. **Types of Alloys**: Alloys can be categorized into two main types: - **Homogeneous Mixture of Metals**: This includes mixtures of two or more metals, such as bronze (copper and tin) or brass (copper and zinc). - **Homogeneous Mixture of Metal and Non-Metal**: This includes mixtures where a metal is combined with a non-metal, such as steel (iron and carbon). ...
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