Which one of the following materials is very hard and very ductile ........

General Science (Easy) Chemistry

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Which one of the following materials is very hard and very ductile?

Carborundum

Tungsten

Cast iron

Nichrome

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Explanation:

Nichrome has high melting point because it is very ductile. The metal is very hard and non-fragile. Nichrome is a non-magnetic alloy of nickel, chromium, and iron, usually used as a resistance wire. A common alloy is 80% nickel and 20% chromium, by mass. This alloying provide nichrome properties like hardness and ductility.