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Which substance can be an example of a brittle non-metal?

Answer and explanation

Correct answer: Sulfur

Sulfur is a solid non-metal at room temperature and is brittle, meaning that it tends to break or crumble when struck rather than being beaten into sheets. This makes sulfur the correct example, so option A is correct. Copper, gold and aluminium are metals; in general, metals are malleable and ductile, although their exact physical properties vary. Copper and aluminium can be drawn into wires, while gold is especially malleable. The question tests the general classification and physical properties of elements, not whether every metal behaves identically in every situation. Thus the three metallic choices are plausible substances but do not represent a brittle non-metal in this context.

Related tags

ChemistryNature-Of-MatterNon-MetalsPhysical-PropertiesNature Of MatterSome Basic Concepts Of ChemistryClass 11 Mcq

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