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Which property is useful in making aluminium foil?

Answer and explanation

Correct answer: Malleability

The governing concept is the distinction between malleability and ductility. Malleability is the ability of a material to be beaten, pressed, or rolled into thin sheets without breaking. Aluminium can therefore be rolled into the extremely thin sheets used as aluminium foil, making option A correct. Ductility is different: it is the ability to be drawn into wires, so it is associated with cables rather than foil. Inertness describes limited chemical reactivity and may help explain some uses, but it does not produce a sheet. Sublimation is the direct change from solid to gas and is unrelated to foil manufacture.

Related tags

ChemistryMetalsPhysical-Properties-Of-MatterNature Of MatterSome Basic Concepts Of ChemistryClass 11 Mcq

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