Chemistry
Grade-7
Easy
Question
What type of mixture is steel?
- Solid-solid heterogeneous mixture
- Solid-liquid heterogeneous mixture
- Solid-gas heterogeneous mixture
- Solid-solid homogeneous mixture
Hint:
Solid-solid homogeneous mixture
The correct answer is: Solid-solid homogeneous mixture
Steel is a homogeneous combination, yet it is composed of iron and carbon. A pure material differs from a homogeneous mixture in that it has just one component. It has a uniform appearance. It has distinct features that distinguish it, such as density. Steel is an alloy of iron and carbon, resulting in a solid-solid homogeneous combination.
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