A metal wire is stretched, but it does not break easily. This property is known as:
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A.
hardness
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B.
ductility
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C.
malleability
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D.
brittleness
Correct Answer:
B. ductility
Explanation:
The correct answer is ductility.
Ductility is the mechanical property of a material that allows it to be drawn or stretched into a thin wire without snapping. Metals like copper and gold exhibit high ductility, enabling them to undergo significant plastic deformation under tensile stress. This differs from malleability, which refers to a material's ability to be hammered into thin sheets, and brittleness, where a material breaks or shatters easily when stressed. Hardness measures a material's resistance to surface indentation or scratching rather than its ability to stretch.
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