An alloy is considered a homogeneous mixture because:
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A.
it contains two or more phases
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B.
it exhibits uniform composition throughout
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C.
its components can be separated by filtration
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D.
its components are chemically combined in fixed proportions
Correct Answer:
B. it exhibits uniform composition throughout
Explanation:
The correct answer is it exhibits uniform composition throughout.
An alloy is classified as a homogeneous mixture because its components are distributed evenly at the microscopic level, resulting in a single phase where the properties are consistent throughout the entire sample. Although it is made of different metals or non-metals, they are physically blended so thoroughly that they do not settle out and cannot be distinguished individually. Unlike compounds, the elements in an alloy are not chemically bonded in fixed ratios, but unlike heterogeneous mixtures, they do not show visible boundaries between the different materials.
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