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What is the state of iron at normal temperature?

Answer and explanation

Correct answer: Solid

The governing concept is the state of matter determined by temperature and pressure. At ordinary room temperature and normal atmospheric pressure, iron exists as a solid. Its particles are held in an ordered arrangement by strong metallic bonding and mainly vibrate around relatively fixed positions. Consequently, iron has a definite shape and definite volume under ordinary conditions. It becomes liquid only after being heated to its melting point, which is far above normal room temperature, and it would require still more extreme conditions to become a gas. Therefore, option A is correct. Liquid, gas, and mist are not the normal state of a pure iron sample kept at ordinary temperature.

Related tags

ChemistryIronStates Of MatterPhysical PropertiesNature Of MatterSome Basic Concepts Of ChemistryClass 11 Mcq

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