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4 Uses of lron.
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It is used to manufacture steel and also used in civil engineering like reinforced concrete, girders etc. Iron is used to make alloy steels like carbon steels with additives such as nickel, chromium, vanadium, tungsten, and manganese. ... Cast iron contains 3–5% carbon. It is used for pipes, valves, and pumps.
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i) It rusts in damp air, but not in the dry air.
ii) It dissolves readily in dilute acids.
iii) It helps in the nourishment of plants.
iv)It melts at 1536°C and boils at 2861°C.
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